Objective:To observe the therapeutic effect of sanyrene on prevention of skin injury caused by abnormal defecation in high risk patients. Methods:A total of 157 high risk patients with abnormal defecation were randomly divided into observational group and control group. Seventy-nine patients in observational group used sanyrene liquid dressing to spray the crissum and hip area after using warm water to clean,while 78 patients in control group used warm water to clean. Results:There were statistically signif...