1. Used in the stomach, duodenum and colon endoscopy preoperative preparation, ercp, and stomach, duodenum, low gas colonic barium imaging or abdominal CT scans of preoperative preparation, can reduce or inhibit the gastrointestinal peristalsis; 2. Used for various disease caused by spasm of the gastrointestinal tract, biliary colic, renal colic and gastrointestinal peristalsis hyperfunction.