diff --git a/Src/Asp.Net/SqlSugar/Abstract/InsertableProvider/InsertableProvider.cs b/Src/Asp.Net/SqlSugar/Abstract/InsertableProvider/InsertableProvider.cs
index 9bc1e21be..afe1eb18d 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/InsertableProvider/InsertableProvider.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/InsertableProvider/InsertableProvider.cs
@@ -557,7 +557,11 @@ namespace SqlSugar
             }
             return this;
         }
-
+        public IInsertable<T> PostgreSQLConflictNothing(string[] columns) 
+        { 
+            this.InsertBuilder.ConflictNothing = columns;
+            return this;
+        }
         public IInsertable<T> MySqlIgnore() 
         {
             this.InsertBuilder.MySqlIgnore = true; 
diff --git a/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/InsertBuilder.cs b/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/InsertBuilder.cs
index 955650e0a..5f0eed6c8 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/InsertBuilder.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/InsertBuilder.cs
@@ -133,6 +133,7 @@ namespace SqlSugar
 
         public bool MySqlIgnore { get; internal set; }
         public bool IsWithAttr { get; internal set; }
+        public string[] ConflictNothing { get;  set; }
 
         public virtual ExpressionResult GetExpressionValue(Expression expression, ResolveExpressType resolveType)
         {
diff --git a/Src/Asp.Net/SqlSugar/Interface/Insertable.cs b/Src/Asp.Net/SqlSugar/Interface/Insertable.cs
index b7791887c..28c2223ab 100644
--- a/Src/Asp.Net/SqlSugar/Interface/Insertable.cs
+++ b/Src/Asp.Net/SqlSugar/Interface/Insertable.cs
@@ -64,6 +64,7 @@ namespace SqlSugar
         SplitInsertable<T> SplitTable(SplitType splitType);
         void AddQueue();
         IInsertable<T> MySqlIgnore();
+        IInsertable<T> PostgreSQLConflictNothing(string[] columns);
         IInsertable<T> OffIdentity();
         IInsertable<T> OffIdentity(bool isSetOn);
         InsertablePage<T> PageSize(int pageSize);
diff --git a/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/SqlBuilder/PostgreSQLInsertBuilder.cs b/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/SqlBuilder/PostgreSQLInsertBuilder.cs
index 8a78e7101..00fc65f46 100644
--- a/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/SqlBuilder/PostgreSQLInsertBuilder.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/SqlBuilder/PostgreSQLInsertBuilder.cs
@@ -49,7 +49,7 @@ namespace SqlSugar
             {
                 string columnParametersString = string.Join(",", this.DbColumnInfoList.Select(it =>base.GetDbColumn(it, Builder.SqlParameterKeyWord + it.DbColumnName)));
                 ActionMinDate();
-                return string.Format(SqlTemplate, GetTableNameString, columnsString, columnParametersString);
+                return GetIgnoreSql(string.Format(SqlTemplate, GetTableNameString, columnsString, columnParametersString));
             }
             else
             {
@@ -116,7 +116,7 @@ namespace SqlSugar
                     pageIndex++;
                     batchInsetrSql.Remove(batchInsetrSql.Length - 1,1).Append("\r\n;\r\n");
                 }
-                return batchInsetrSql.ToString();
+                return GetIgnoreSql(batchInsetrSql.ToString());
             }
         }
 
@@ -182,6 +182,15 @@ namespace SqlSugar
         {
             return "'" + ((DateTimeOffset)value).ToString("o") + "'";
         }
+         
+        private string GetIgnoreSql(string sql)
+        {
+            if (this.ConflictNothing?.Any() == true)
+            {
+                sql = sql.Replace(";", $"  ON CONFLICT ({string.Join(",", this.ConflictNothing)}) DO NOTHING;");
+            }
 
+            return sql;
+        }
     }
 }