Methods:The test group(148 cases)had been treated by liquor of four powdered drugs and,the control group(126 cases),treated by 654-2 and lactein for four weeks.

• 方法:治疗组148例用四磨汤口服液治疗,对照组126例用654-2及乳酸菌素治疗,疗程均为4周。