There is no most effective medication for colitis. Patients can be treated with drugs such as Liuzosulfapyridine capsules, mesalazine enteric-coated tablets or dexamethasone tablets. Specific drugs should be taken under the guidance of a doctor. 1. Sulphasalazine capsule: Sulphasalazine capsule is a kind of penta-aminosalicylic acid preparation, mainly for the treatment of inflammation of the colon, in the ileocecal valve as well as the end of the ileum, the colon and other parts of the role. Adverse effects of this drug include nausea, anorexia, and palpitations. This drug is contraindicated in people who are allergic to its components. 2. Mesalazine enteric-coated tablets: Mesalazine enteric-coated tablets are mainly used for the treatment of ulcerative colitis, segmental ileitis. The adverse reactions of this drug include mild gastric discomfort, nausea and dizziness. It is forbidden for those who are allergic to salicylic acid drugs. 3. Dexamethasone tablets: Dexamethasone tablets are adrenocorticotropic hormones, mainly for allergic and autoimmune inflammatory diseases. Such as ulcerative colitis. The drug is prone to cause diabetes, osteoporosis and other adverse reactions. It is contraindicated for those who are allergic to the components of the drug. Patients with colitis should choose to use the drug under the guidance of a doctor, and should go to the hospital in time for treatment if there is an adverse reaction in the process of using the drug.