The treatment of colitis needs to be combined with the symptoms as well as the cause of the disease. Metronidazole can be used for bacterial overstimulation that leads to inflammation, Liuzosulfapyridine can be used for mild ulcerative colitis, and Prednisone can be used for severe ulcerative colitis. 1. Bacterial stimulation: patients with intestinal bacterial overgrowth can irritate the colon, easy to form inflammation, the use of antibiotic treatment, can relieve the symptoms, common drugs for metronidazole, levofloxacin. 2. Mild ulcerative colitis: mild ulcerative colitis, can be used under the guidance of a doctor, such as sulfasalazine. 3. Severe ulcerative colitis: patients with severe ulcerative colitis, glucocorticosteroids, biological agents can be used to achieve therapeutic effects, such as the choice of prednisone, infliximab. Ischemic colitis, radiological colitis, etc. need to be treated according to the doctor’s guidance, colitis will lead to diarrhea and abdominal pain, pus and blood stools, mucus stools, as well as the manifestation of acute and severe, need to be timely in the doctor’s guidance to accept the treatment of the specific drugs, follow the doctor’s instructions.