Wu Mei Pills for cold and heat mixed (the same patient at the same time cold and heat evidence) type of chronic colitis has a certain effect, but for other types of colitis effect is not good. Chronic colitis, Chinese medicine can refer to “diarrhea”, “abdominal pain” and other evidence-based treatment, the main manifestations of abdominal pain, blood in the stool, pus-like mucus stools, the disease course is long, easy to recur. The disease is closely related to dampness and heat, gastrointestinal deficiency, liver depression and spleen deficiency. And Wu Mei Pill is composed of Wu Mei meat, pepper, Angelica sinensis, Rhizoma Polygonati Odorati, Rhizoma Polygonati Odorati, Sinapis Sinensis, Ginseng, Dried Ginger, Prepared Pseudostemonium, Phellodendron Bark and Cinnamon Branches. It has the effects of astringency to stop diarrhea (relieving diarrhea by enhancing the astringency of the intestinal tract), easing urgency to relieve pain (relieving more urgent pain symptoms), and harmonizing the stomach. Umei Pill is effective for chronic colitis caused by misalignment of cold and heat, which manifests as abdominal pain in paroxysms and diarrhea. It is less effective for colitis caused by other reasons. If the patient has the manifestation of chronic colitis, need to actively consult the doctor, under the guidance of the doctor treatment and medication, avoid self-application.