Ulcerative colitis is an autoimmune disease, which may be related to certain pathogenic infections, genetic and psychological factors, and most of them have a long course and are difficult to cure, with alternating episodes and remissions. However, please do not be discouraged, this disease can still be prolonged through the use of medication and diet and lifestyle management, as much as possible to extend the remission period, reduce the disease episodes, to achieve the purpose of not affecting the quality of life.