Ulcerative colitis is not clinically recommended for the application of anus paste. Ulcerative colitis is a chronic inflammatory bowel disease of unknown etiology, with the rectum and the sigmoid colon as the main lesion site, most patients manifested as abdominal pain, diarrhea, mucus pus and blood stools, anxious and then heavy (lower abdominal discomfort, very much want to relieve the stool, after the defecation of a sense of incompletion) and so on, to the main medication, designed to maintain the clinical remission as well as mucosal healing. Anal Thai paste is a kind of external patch with the effect of cooling blood to stop bleeding, clearing heat and removing toxins, reducing swelling and relieving pain, mainly applied to internal hemorrhoids, external hemorrhoids, mixed hemorrhoids and other causes of blood in the stool, swelling, pain and so on, there is no therapeutic effect of ulcerative colitis, and even aggravate the condition of the possibility of, so patients with ulcerative colitis can not be used anal Thai paste. If the patient suffers from ulcerative colitis, it is recommended to go to the hospital in a timely manner, standardized treatment, so as not to delay the condition, the use of drugs should be carried out under the guidance of a doctor, to avoid blind use of drugs.