Colitis generally refers to ulcerative colitis, which is a recurrent disease. Clinical manifestations of ulcerative colitis include abdominal pain, diarrhea, mucopurulent stools and other symptoms, mainly through colonoscopy, pathological examination, and then exclude other diseases that cause related symptoms, and the course of treatment is relatively long. In general, the following five types of drugs are used, specifically: 1, mesalachin preparations, such as Salvos, Addisha; 2, glucocorticoids, such as dexamethasone, prednisone and other drugs; 3, immunosuppressants, such as azathioprine, cyclosporine and other drugs; 4, biological agents, such as infliximab; 5, probiotics can be given for treatment. Ulcerative colitis has a long and recurrent course, emphasizing rapid relief of symptoms during treatment, that is, rapid relief of abdominal pain, diarrhea, mucopurulent stools and other symptoms in patients. Then it is maintenance treatment to control recurrence, specifically the following treatment methods: 1, from the perspective of Western medicine to treat, to use Mesalachin preparations to maintain treatment, in general, Mesalachin maintenance for 3 years, or even lifelong maintenance; 2, from the perspective of Chinese medicine to treat, Chinese medicine has a certain approach to the treatment of ulcerative colitis, for example, in the acute phase can be oral Chinese medicine combined with Chinese medicine enema, in concert with Western medicine to quickly relieve symptoms and promote Mucosal healing. In the remission period, patients can be given oral Chinese medicine treatment, for example, with the spleen, benefit qi, dampness, accompanied by blood invigorating drugs for treatment, can significantly reduce the recurrence of ulcerative colitis, prolong the remission period, and significantly improve the quality of life of patients.