diff --git a/Src/Asp.Net/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs b/Src/Asp.Net/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs
index 79ed4b33c..37ee1ed49 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs
@@ -58,12 +58,22 @@ namespace SqlSugar
                 foreach (var deleteObj in deleteObjs)
                 {
                     var entityPropertyName = this.Context.EntityProvider.GetPropertyName<T>(primaryField);
-                    var columnInfo = EntityInfo.Columns.Single(it => it.PropertyName.Equals(entityPropertyName,StringComparison.CurrentCultureIgnoreCase));
+                    var columnInfo = EntityInfo.Columns.Single(it => it.PropertyName.Equals(entityPropertyName, StringComparison.CurrentCultureIgnoreCase));
                     var value = columnInfo.PropertyInfo.GetValue(deleteObj, null);
                     primaryKeyValues.Add(value);
                 }
-                var inValueString = primaryKeyValues.ToArray().ToJoinSqlInVals();
-                Where(string.Format(DeleteBuilder.WhereInTemplate, SqlBuilder.GetTranslationColumnName(primaryFields.Single()), inValueString));
+                if (primaryKeyValues.Count < 10000)
+                {
+                    var inValueString = primaryKeyValues.ToArray().ToJoinSqlInVals();
+                    Where(string.Format(DeleteBuilder.WhereInTemplate, SqlBuilder.GetTranslationColumnName(primaryFields.Single()), inValueString));
+                }
+                else
+                {
+                    if (DeleteBuilder.BigDataInValues == null)
+                        DeleteBuilder.BigDataInValues = new List<object>();
+                    DeleteBuilder.BigDataInValues.AddRange(primaryKeyValues);
+                    DeleteBuilder.BigDataFiled = primaryField;
+                }
             }
             else
             {
@@ -159,7 +169,17 @@ namespace SqlSugar
             string primaryField = null;
             primaryField = GetPrimaryKeys().FirstOrDefault();
             Check.ArgumentNullException(primaryField, "Table " + tableName + " with no primarykey");
-            Where(string.Format(DeleteBuilder.WhereInTemplate, SqlBuilder.GetTranslationColumnName(primaryField), primaryKeyValues.ToJoinSqlInVals()));
+            if (primaryKeyValues.Length < 10000)
+            {
+                Where(string.Format(DeleteBuilder.WhereInTemplate, SqlBuilder.GetTranslationColumnName(primaryField), primaryKeyValues.ToJoinSqlInVals()));
+            }
+            else
+            {
+                if (DeleteBuilder.BigDataInValues == null)
+                    DeleteBuilder.BigDataInValues = new List<object>();
+                DeleteBuilder.BigDataInValues.AddRange(primaryKeyValues.Select(it=>(object)it));
+                DeleteBuilder.BigDataFiled = primaryField;
+            }
             return this;
         }
 
diff --git a/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/DeleteBuilder.cs b/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/DeleteBuilder.cs
index 3fb867aa7..88b115dd8 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/DeleteBuilder.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/DeleteBuilder.cs
@@ -28,6 +28,8 @@ namespace SqlSugar
             }
             set { _WhereInfos = value; }
         }
+        public virtual List<object> BigDataInValues { get; set; }
+        public virtual string BigDataFiled { get;  set; }
         #endregion
 
         #region Sql Template
@@ -115,7 +117,29 @@ namespace SqlSugar
         }
         public virtual string ToSqlString()
         {
-            return string.Format(SqlTemplate, GetTableNameString, GetWhereString);
+            if (this.BigDataInValues.IsNullOrEmpty())
+            {
+                return string.Format(SqlTemplate, GetTableNameString, GetWhereString);
+            }
+            else//big data
+            {
+                var whereString = GetWhereString;
+                var sql = string.Format(SqlTemplate, GetTableNameString, whereString);
+                sql += whereString.IsNullOrEmpty() ? " WHERE " : " AND ";
+                StringBuilder batchDeleteSql = new StringBuilder();
+                int pageSize = 1000;
+                int pageIndex = 1;
+                int totalRecord = this.BigDataInValues.Count;
+                int pageCount = (totalRecord + pageSize - 1) / pageSize;
+                while (pageCount >= pageIndex)
+                {
+                    var inValues = this.BigDataInValues.Skip((pageIndex - 1) * pageSize).Take(pageSize).ToList();
+                    batchDeleteSql.Append(sql+string.Format(WhereInTemplate,BigDataFiled,inValues.ToArray().ToJoinSqlInVals()));
+                    batchDeleteSql.Append(";");
+                    pageIndex++;
+                }
+                return batchDeleteSql.ToString();
+            }
         }
         public virtual ExpressionResult GetExpressionValue(Expression expression, ResolveExpressType resolveType)
         {