butylbromide/Hyoscine N-butyl bromide is pharmceutical material for peripheral anticholinergic drugs which can smooth muscle spasm, ease the gastrointestinal tract, bile duct and urinary tract and inhibit perist alsis. It applies to the stomach, duodenum, colon fiber endoscopic examination as the operative preparation, so it can be used for the treatment of gastrointestinal spasm, biliary Colic, renal colic or gastrointestinal peristalsis, such as hyperthyroidism.