diff --git a/Hospital/Hospital.sln b/Hospital/Hospital.sln
index 67aca99..915e036 100644
--- a/Hospital/Hospital.sln
+++ b/Hospital/Hospital.sln
@@ -5,6 +5,8 @@ VisualStudioVersion = 17.9.34723.18
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "HospitalView", "Hospital\HospitalView.csproj", "{C50859B7-7F2C-4308-B9F7-86119A83E155}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HospitalDataModels", "HospitalDataModels\HospitalDataModels.csproj", "{3CBB9321-2FA0-453A-970F-D8DCD6D4C654}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -15,6 +17,10 @@ Global
 		{C50859B7-7F2C-4308-B9F7-86119A83E155}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{C50859B7-7F2C-4308-B9F7-86119A83E155}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{C50859B7-7F2C-4308-B9F7-86119A83E155}.Release|Any CPU.Build.0 = Release|Any CPU
+		{3CBB9321-2FA0-453A-970F-D8DCD6D4C654}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3CBB9321-2FA0-453A-970F-D8DCD6D4C654}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3CBB9321-2FA0-453A-970F-D8DCD6D4C654}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3CBB9321-2FA0-453A-970F-D8DCD6D4C654}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/Hospital/HospitalDataModels/HospitalDataModels.csproj b/Hospital/HospitalDataModels/HospitalDataModels.csproj
new file mode 100644
index 0000000..b6a7529
--- /dev/null
+++ b/Hospital/HospitalDataModels/HospitalDataModels.csproj
@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Folder Include="Enums\" />
+  </ItemGroup>
+
+</Project>
diff --git a/Hospital/HospitalDataModels/IId.cs b/Hospital/HospitalDataModels/IId.cs
new file mode 100644
index 0000000..9aa93c5
--- /dev/null
+++ b/Hospital/HospitalDataModels/IId.cs
@@ -0,0 +1,7 @@
+namespace HospitalDataModels
+{
+    public interface IId
+    {
+        int Id { get; }
+    }
+}
diff --git a/Hospital/HospitalDataModels/Models/IDoctorModel.cs b/Hospital/HospitalDataModels/Models/IDoctorModel.cs
new file mode 100644
index 0000000..cbaf64a
--- /dev/null
+++ b/Hospital/HospitalDataModels/Models/IDoctorModel.cs
@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Mail;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HospitalDataModels.Models
+{
+    internal interface IDoctorModel : IId
+    {
+        string FIO { get; }
+        string Login { get; }
+        string Password { get; }
+        string MailAddress { get; }
+        string PhoneNumber { get; }
+    }
+}
diff --git a/Hospital/HospitalDataModels/Models/IMedicineModel.cs b/Hospital/HospitalDataModels/Models/IMedicineModel.cs
new file mode 100644
index 0000000..7378e05
--- /dev/null
+++ b/Hospital/HospitalDataModels/Models/IMedicineModel.cs
@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HospitalDataModels.Models
+{
+    internal interface IMedicineModel : IId
+    {
+    }
+}
diff --git a/Hospital/HospitalDataModels/Models/IPatientModel.cs b/Hospital/HospitalDataModels/Models/IPatientModel.cs
new file mode 100644
index 0000000..db6de9f
--- /dev/null
+++ b/Hospital/HospitalDataModels/Models/IPatientModel.cs
@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HospitalDataModels.Models
+{
+    internal interface IPatientModel : IId
+    {
+        string FIO {  get; }
+        DateOnly BirthDate { get; }
+        string Adress {  get; }
+        int DoctorId { get; }
+        Dictionary<int, IProcedureModel> PatientProcedures { get; }
+
+        Dictionary<int, IRecipeModel> PatientRecipes { get; }
+    }
+}
diff --git a/Hospital/HospitalDataModels/Models/IProcedureModel.cs b/Hospital/HospitalDataModels/Models/IProcedureModel.cs
new file mode 100644
index 0000000..1fe5dcd
--- /dev/null
+++ b/Hospital/HospitalDataModels/Models/IProcedureModel.cs
@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HospitalDataModels.Models
+{
+    internal interface IProcedureModel : IId
+    {
+    }
+}
diff --git a/Hospital/HospitalDataModels/Models/IRecipeModel.cs b/Hospital/HospitalDataModels/Models/IRecipeModel.cs
new file mode 100644
index 0000000..16ac068
--- /dev/null
+++ b/Hospital/HospitalDataModels/Models/IRecipeModel.cs
@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HospitalDataModels.Models
+{
+    internal interface IRecipeModel : IId
+    {
+        string Description { get; }
+        DateTime IssueDate { get; }
+
+        int DiseaseId { get; }
+
+        int DoctorId { get; }
+
+
+        Dictionary<int, IMedicineModel> RecipeMedicines { get; }
+    }
+}