diff --git a/Polyclinic/PolyclinicDatabaseImplement/Models/.gitkeep b/Polyclinic/PolyclinicDatabaseImplement/Models/.gitkeep
deleted file mode 100644
index e69de29..0000000
diff --git a/Polyclinic/PolyclinicDatabaseImplement/Models/Diagnose.cs b/Polyclinic/PolyclinicDatabaseImplement/Models/Diagnose.cs
new file mode 100644
index 0000000..65841af
--- /dev/null
+++ b/Polyclinic/PolyclinicDatabaseImplement/Models/Diagnose.cs
@@ -0,0 +1,50 @@
+using PolyclinicContracts.BindingModels;
+using PolyclinicContracts.ViewModels;
+using PolyclinicDataModels.Models;
+using System.ComponentModel.DataAnnotations;
+
+namespace PolyclinicDatabaseImplement.Models
+{
+    public class Diagnose : IDiagnoseModel
+    {
+        [Required]
+        public string Name { get; private set; } = string.Empty;
+        [Required]
+        public string Comment { get; private set; } = string.Empty;
+        [Required]
+        public int UserId { get; private set; }
+        public int Id { get; private set; }
+        public static Diagnose? Create(DiagnoseBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Diagnose
+            {
+                Name = model.Name,
+                Comment = model.Comment,
+                UserId = model.UserId,
+                Id = model.Id
+            };
+        }
+
+        public void Update(DiagnoseBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Name = model.Name;
+            Comment = model.Comment;
+        }
+
+        public DiagnoseViewModel GetViewModel => new()
+        {
+            Name = Name,
+            Comment = Comment,
+            UserId = UserId,
+            Id = Id
+        };
+    }
+}
diff --git a/Polyclinic/PolyclinicDatabaseImplement/PolyclinicDatabaseImplement.csproj b/Polyclinic/PolyclinicDatabaseImplement/PolyclinicDatabaseImplement.csproj
index 5794695..3731155 100644
--- a/Polyclinic/PolyclinicDatabaseImplement/PolyclinicDatabaseImplement.csproj
+++ b/Polyclinic/PolyclinicDatabaseImplement/PolyclinicDatabaseImplement.csproj
@@ -8,7 +8,6 @@
 
   <ItemGroup>
     <Folder Include="Implements\" />
-    <Folder Include="Models\" />
   </ItemGroup>
 
   <ItemGroup>
@@ -16,4 +15,9 @@
 	  <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="7.0.16" />
   </ItemGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\PolyclinicContracts\PolyclinicContracts.csproj" />
+    <ProjectReference Include="..\PolyclinicDataModels\PolyclinicDataModels.csproj" />
+  </ItemGroup>
+
 </Project>