diff --git a/MultiThread/Client/Client.cs b/MultiThread/Client/Client.cs
new file mode 100644
index 0000000..4deba5d
--- /dev/null
+++ b/MultiThread/Client/Client.cs
@@ -0,0 +1,15 @@
+using System.Net;
+using System.Net.Sockets;
+
+namespace Client;
+
+internal class Client
+{
+	static void Main(string[] args)
+	{
+		Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
+		socket.Connect(new IPEndPoint(IPAddress.Parse("127.0.0.1"), 20000));
+
+		Console.ReadLine();
+	}
+}
\ No newline at end of file
diff --git a/MultiThread/Client/Client.csproj b/MultiThread/Client/Client.csproj
new file mode 100644
index 0000000..74abf5c
--- /dev/null
+++ b/MultiThread/Client/Client.csproj
@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
diff --git a/MultiThread/MultiThread.sln b/MultiThread/MultiThread.sln
new file mode 100644
index 0000000..4d00f16
--- /dev/null
+++ b/MultiThread/MultiThread.sln
@@ -0,0 +1,31 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.3.32929.385
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Server", "Server\Server.csproj", "{CB10505E-B588-4324-AC1D-0EC7C410F8ED}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Client", "Client\Client.csproj", "{A7321FF5-0046-4C28-BFE6-DE87E6C8E60C}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{CB10505E-B588-4324-AC1D-0EC7C410F8ED}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{CB10505E-B588-4324-AC1D-0EC7C410F8ED}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{CB10505E-B588-4324-AC1D-0EC7C410F8ED}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{CB10505E-B588-4324-AC1D-0EC7C410F8ED}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A7321FF5-0046-4C28-BFE6-DE87E6C8E60C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A7321FF5-0046-4C28-BFE6-DE87E6C8E60C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A7321FF5-0046-4C28-BFE6-DE87E6C8E60C}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A7321FF5-0046-4C28-BFE6-DE87E6C8E60C}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {A8467505-FC78-4105-9BA9-C8243C6CF2FB}
+	EndGlobalSection
+EndGlobal
diff --git a/MultiThread/MultiThread/MultiThread.csproj b/MultiThread/MultiThread/MultiThread.csproj
new file mode 100644
index 0000000..74abf5c
--- /dev/null
+++ b/MultiThread/MultiThread/MultiThread.csproj
@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
diff --git a/MultiThread/MultiThread/Program.cs b/MultiThread/MultiThread/Program.cs
new file mode 100644
index 0000000..d964e32
--- /dev/null
+++ b/MultiThread/MultiThread/Program.cs
@@ -0,0 +1,10 @@
+namespace MultiThread
+{
+	internal class Program
+	{
+		static void Main(string[] args)
+		{
+			Console.WriteLine("Hello, World!");
+		}
+	}
+}
\ No newline at end of file
diff --git a/MultiThread/Server/Server.cs b/MultiThread/Server/Server.cs
new file mode 100644
index 0000000..7aacc56
--- /dev/null
+++ b/MultiThread/Server/Server.cs
@@ -0,0 +1,36 @@
+using System.Net;
+using System.Net.Sockets;
+
+namespace Server;
+
+internal class Server
+{
+	static void Main(string[] args)
+	{
+		Socket serverSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
+		IPEndPoint endPoint = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 20000);
+		serverSocket.Bind(endPoint);
+		serverSocket.Listen(1000);
+
+		while (true)
+		{
+			Socket clientSocket = serverSocket.Accept();
+			Console.WriteLine(clientSocket.RemoteEndPoint);
+
+			Thread t1 = new Thread(() =>
+			{
+				while (true)
+				{
+					byte[] buffer = new byte[256];
+					int n1 = clientSocket.Receive(buffer);
+					if (n1 < 1)
+					{
+						clientSocket.Dispose();
+						break;
+					}
+				}
+			});
+			t1.Start();
+		}
+	}
+}
\ No newline at end of file
diff --git a/MultiThread/Server/Server.csproj b/MultiThread/Server/Server.csproj
new file mode 100644
index 0000000..74abf5c
--- /dev/null
+++ b/MultiThread/Server/Server.csproj
@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>