diff --git a/VeterinaryView/VeterinaryDataModels/IOwnerModel.cs b/VeterinaryView/VeterinaryDataModels/IOwnerModel.cs
new file mode 100644
index 0000000..0156074
--- /dev/null
+++ b/VeterinaryView/VeterinaryDataModels/IOwnerModel.cs
@@ -0,0 +1,9 @@
+namespace VeterinaryDataModels
+{
+	public interface IOwnerModel : IId
+	{
+		string OwnerFIO { get; }
+		string Login {  get; }
+		string Password { get; }
+	}
+}
diff --git a/VeterinaryView/VeterinaryDataModels/IPetModel.cs b/VeterinaryView/VeterinaryDataModels/IPetModel.cs
new file mode 100644
index 0000000..3fa9688
--- /dev/null
+++ b/VeterinaryView/VeterinaryDataModels/IPetModel.cs
@@ -0,0 +1,11 @@
+namespace VeterinaryDataModels
+{
+	public interface IPetModel : IId
+	{
+		int OwnerId { get; }
+		string PetName { get; }
+		string PetType { get; }
+		string PetBreed { get; }
+		string PetGender { get; }
+	}
+}
diff --git a/VeterinaryView/VeterinaryDataModels/IPurchaseModel.cs b/VeterinaryView/VeterinaryDataModels/IPurchaseModel.cs
new file mode 100644
index 0000000..e4e4fb8
--- /dev/null
+++ b/VeterinaryView/VeterinaryDataModels/IPurchaseModel.cs
@@ -0,0 +1,10 @@
+namespace VeterinaryDataModels
+{
+	public interface IPurchaseModel : IId
+	{
+		int OwnerId { get; }
+		int DrugId { get; }
+		string Count { get; }
+		DateTime DatePurchase { get; }
+	}
+}
diff --git a/VeterinaryView/VeterinaryDataModels/IVisitModel.cs b/VeterinaryView/VeterinaryDataModels/IVisitModel.cs
new file mode 100644
index 0000000..a912ab4
--- /dev/null
+++ b/VeterinaryView/VeterinaryDataModels/IVisitModel.cs
@@ -0,0 +1,9 @@
+namespace VeterinaryDataModels
+{
+	public interface IVisitModel : IId
+	{
+		int OwnerId { get; }
+		int DoctorId { get; }
+		DateTime DateVisit { get; }
+	}
+}