In some cases, there is reddish mucus on the feces. Consider ulcerative colitis, intestinal cancer, etc., and need to improve the examination, according to the results of the examination, medication or surgical treatment. 1. Improvement of examination: Generally, it is mainly fecal routine and colonoscopy. Through fecal routine, it is clear whether there is fecal occult blood, whether there is intestinal bacteria and inflammation. According to colonoscopy, it is clear whether there are serious intestinal lesions such as intestinal rupture, intestinal bleeding, polyps, cancer and so on. 2. Drugs or surgical treatment: If the patient has light red mucus in the feces due to ulcerative colitis or other diseases, he/she needs to take drugs such as lorazosulfapyridine appropriately for treatment. If the patient has reddish mucus due to colon cancer, he/she needs to undergo surgery or radiotherapy. When patients have the above situation, they must improve the examination as soon as possible and make appropriate treatment plan according to the examination result to avoid delaying the treatment. Consult the doctor before using drugs, and do not choose drugs blindly.