diff --git a/docs/host.md b/docs/host.md
index 526a2ab1..bd0028ea 100644
--- a/docs/host.md
+++ b/docs/host.md
@@ -18,6 +18,11 @@ using Netly.Core;
 <br>
 
 ## Properties
+- ##### <return>Host</return> Default
+  <sub>Return default Host instance, the default host is (0.0.0:0).</sub>
+
+<br>
+
 - ##### <return>IPAddress</return> Address
   <sub>Return IPAddress (The IP address of the endpoint).</sub>
 
diff --git a/src/Core/Host.cs b/src/Core/Host.cs
index 3762307c..ae5dabeb 100644
--- a/src/Core/Host.cs
+++ b/src/Core/Host.cs
@@ -9,6 +9,12 @@ namespace Netly.Core
     /// </summary>
     public class Host
     {
+        /// <summary>
+        /// Return default Host instance: (0.0.0.0:0)
+        /// </summary>
+        /// <returns>Return default host instance: (0.0.0.0:0)</returns>
+        public static readonly Host Default = new Host(IPAddress.Any, 0);
+        
         /// <summary>
         /// Return IPAddress
         /// </summary>