diff --git a/Hospital/Hospital/HospitalView.csproj b/Hospital/Hospital/HospitalView.csproj
index b57c89e..f97c885 100644
--- a/Hospital/Hospital/HospitalView.csproj
+++ b/Hospital/Hospital/HospitalView.csproj
@@ -8,4 +8,11 @@
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\HospitalBusinessLogic\HospitalBusinessLogic.csproj" />
+    <ProjectReference Include="..\HospitalContracts\HospitalContracts.csproj" />
+    <ProjectReference Include="..\HospitalDatabaseImplement\HospitalDatabaseImplement.csproj" />
+    <ProjectReference Include="..\HospitalDataModels\HospitalDataModels.csproj" />
+  </ItemGroup>
+
 </Project>
\ No newline at end of file
diff --git a/Hospital/HospitalBusinessLogic/BusinessLogics/DoctorLogic.cs b/Hospital/HospitalBusinessLogic/BusinessLogics/DoctorLogic.cs
new file mode 100644
index 0000000..e568222
--- /dev/null
+++ b/Hospital/HospitalBusinessLogic/BusinessLogics/DoctorLogic.cs
@@ -0,0 +1,124 @@
+using HospitalContracts.BindingModels;
+using HospitalContracts.BusinessLogicContracts;
+using HospitalContracts.SearchModels;
+using HospitalContracts.StoragesContracts;
+using HospitalContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HospitalBusinessLogic.BusinessLogics
+{
+    public class DoctorLogic : IDoctorLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IDoctorStorage _doctorStorage;
+
+        public DoctorLogic(ILogger<DoctorLogic> logger, IDoctorStorage doctorStorage)
+        {
+            _logger = logger;
+            _doctorStorage = doctorStorage;
+        }
+
+        public bool Create(DoctorBindingModel model)
+        {
+            CheckModel(model);
+            if (_doctorStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Update(DoctorBindingModel model)
+        {
+            CheckModel(model);
+            if (_doctorStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Delete(DoctorBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_doctorStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public DoctorViewModel? ReadElement(DoctorSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. Login:{Login}. PhoneNumber:{PhoneNumber}. Id:{ Id}", model.Login, model.PhoneNumber, model.Id);
+            var element = _doctorStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+            return element;
+        }
+
+        public List<DoctorViewModel>? ReadList(DoctorSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. DoctorId:{Id}", model?.Id);
+            var list = model == null ? _doctorStorage.GetFullList() : _doctorStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+
+        private void CheckModel(DoctorBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.Login))
+            {
+                throw new ArgumentNullException("Нет логина врача", nameof(model.Login));
+            }
+            if (string.IsNullOrEmpty(model.PhoneNumber))
+            {
+                throw new ArgumentNullException("Нет номера телефона врача", nameof(model.PhoneNumber));
+            }
+            if (string.IsNullOrEmpty(model.Password))
+            {
+                throw new ArgumentNullException("Нет пароля врача", nameof(model.Password));
+            }
+            _logger.LogInformation("Doctor. Login:{Login}. PhoneNumber:{PhoneNumber}. Password:{Password}. Id:{ Id}", model.Login, model.PhoneNumber, model.Password, model.Id);
+            var element = _doctorStorage.GetElement(new DoctorSearchModel
+            {
+                Login = model.Login,
+                PhoneNumber = model.PhoneNumber,
+            });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Врач с таким именем уже есть");
+            }
+        }
+    }
+}
diff --git a/Hospital/HospitalBusinessLogic/BusinessLogics/PatientLogic.cs b/Hospital/HospitalBusinessLogic/BusinessLogics/PatientLogic.cs
new file mode 100644
index 0000000..dbab8f7
--- /dev/null
+++ b/Hospital/HospitalBusinessLogic/BusinessLogics/PatientLogic.cs
@@ -0,0 +1,120 @@
+using HospitalContracts.BindingModels;
+using HospitalContracts.BusinessLogicContracts;
+using HospitalContracts.SearchModels;
+using HospitalContracts.StoragesContracts;
+using HospitalContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HospitalBusinessLogic.BusinessLogics
+{
+    public class PatientLogic : IPatientLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IPatientStorage _patientStorage;
+
+        public PatientLogic(ILogger<PatientLogic> logger, IPatientStorage patientStorage)
+        {
+            _logger = logger;
+            _patientStorage = patientStorage;
+        }
+
+        public bool Create(PatientBindingModel model)
+        {
+            CheckModel(model);
+            if (_patientStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Update(PatientBindingModel model)
+        {
+            CheckModel(model);
+            if (_patientStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Delete(PatientBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_patientStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public PatientViewModel? ReadElement(PatientSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. FIO:{FIO}. Id:{ Id}", model.FIO, model.Id);
+            var element = _patientStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+            return element;
+        }
+
+        public List<PatientViewModel>? ReadList(PatientSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. PatientId:{Id}", model?.Id);
+            var list = model == null ? _patientStorage.GetFullList() : _patientStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+
+        private void CheckModel(PatientBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.FIO))
+            {
+                throw new ArgumentNullException("Нет FIO пациента", nameof(model.FIO));
+            }
+
+            /*if (model.BirthDate < DateTime.Now.)
+            {
+                throw new ArgumentNullException("Возраст пациента должен быть больше 0", nameof(model.FIO));
+            }*/ //TODO
+            _logger.LogInformation("Patient. Login:{Login}. PhoneNumber:{PhoneNumber}. Password:{Password}. BirthDate:{BirthDate}. DoctorId:{DoctorId}. Id:{ Id}", model.FIO, model.BirthDate, model.DoctorId, model.Id);
+            var element = _patientStorage.GetElement(new PatientSearchModel
+            {
+                FIO = model.FIO,
+            });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Пациент с такими данными уже есть");
+            }
+        }
+    }
+}
diff --git a/Hospital/HospitalBusinessLogic/BusinessLogics/ProcedureLogic.cs b/Hospital/HospitalBusinessLogic/BusinessLogics/ProcedureLogic.cs
index f2d0b73..beba3c6 100644
--- a/Hospital/HospitalBusinessLogic/BusinessLogics/ProcedureLogic.cs
+++ b/Hospital/HospitalBusinessLogic/BusinessLogics/ProcedureLogic.cs
@@ -106,7 +106,7 @@ true)
             {
                // throw new ArgumentNullException("Цена мороженного услуги быть больше 0", nameof(model.Price));
             }
-            _logger.LogInformation("Service. ServiceName:{ServiceName}. Price:{ Price }. Id: { Id}", model.Name, model.Price, model.Id);
+            _logger.LogInformation("Service. ServiceName:{ServiceName}. Price:{ Price }. Id: { Id}", model.Name, model.Id);
             var element = _serviceStorage.GetElement(new ProcedureSearchModel
             {
                 Name = model.Name
diff --git a/Hospital/HospitalBusinessLogic/BusinessLogics/RecipeLogic.cs b/Hospital/HospitalBusinessLogic/BusinessLogics/RecipeLogic.cs
new file mode 100644
index 0000000..5fa5cf4
--- /dev/null
+++ b/Hospital/HospitalBusinessLogic/BusinessLogics/RecipeLogic.cs
@@ -0,0 +1,115 @@
+using HospitalContracts.BindingModels;
+using HospitalContracts.BusinessLogicContracts;
+using HospitalContracts.SearchModels;
+using HospitalContracts.StoragesContracts;
+using HospitalContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HospitalBusinessLogic.BusinessLogics
+{
+    public class RecipeLogic : IRecipeLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IRecipeStorage _recipeStorage;
+
+        public RecipeLogic(ILogger<RecipeLogic> logger, IRecipeStorage recipeStorage)
+        {
+            _logger = logger;
+            _recipeStorage = recipeStorage;
+        }
+
+        public bool Create(RecipeBindingModel model)
+        {
+            CheckModel(model);
+            if (_recipeStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Update(RecipeBindingModel model)
+        {
+            CheckModel(model);
+            if (_recipeStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Delete(RecipeBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_recipeStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public RecipeViewModel? ReadElement(RecipeSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. Id:{ Id}", model.Id);
+            var element = _recipeStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+            return element;
+        }
+
+        public List<RecipeViewModel>? ReadList(RecipeSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. RecipeId:{Id}", model?.Id);
+            var list = model == null ? _recipeStorage.GetFullList() : _recipeStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+
+        private void CheckModel(RecipeBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (model.RecipeMedicines == null || model.RecipeMedicines.Count == 0)
+            {
+                throw new ArgumentNullException("Нет лекарств в рецепте", nameof(model.RecipeMedicines));
+            }
+            _logger.LogInformation("Recipe. Id:{ Id}. DiseaseId:{DiseaseId}. DoctorId:{DoctorId}", model.Id, model.DiseaseId, model.DoctorId);
+            var element = _recipeStorage.GetElement(new RecipeSearchModel
+            {
+                Id = model.Id,
+            });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Пациент с такими данными уже есть");
+            }
+        }
+    }
+}