Objective To observe the effect of Huangxiang powder for external application on the improvement of gastrointestinal function and blood motilin(MOT) in patients after abdominal operation. Methods The 100 patients after abdominal operation were randomly divided into external treatment group and control group, 50 cases in each group. The control group was treated with conventional therapy, and the treatment group was external applicated with Huangxiang powder at Zusanli acupoint on the basis of conventional m...