The use of Capsaicin does not usually cause abdominal pain, a few patients may have abdominal pain symptoms. The onset of action of Capsaicin is usually 5 to 10 minutes, depending on the individual. Kefir mainly acts on the rectum and usually does not cause abdominal pain. A few patients may experience abdominal pain as a reflex to defecate, which is usually relieved by defecation. Cecrops can soften the stool, stimulate the bowel reflex, lubricate the intestinal tract and thus relieve constipation symptoms. Soften the stool: Capsaicin can act directly on the rectum, forming a hypertonic environment in the intestines to soften the stool. Stimulate defecation reflex: Capsaicin can directly stimulate the intestinal wall and produce defecation reflex. Lubrication of the bowel: Keserol contains glycerin, which acts as a lubricant to the bowel. The common adverse effect of Keselor is that long-term application can form dependence, and the contraindications are not clear. For the application of Keflex, it is recommended to be guided by a doctor.