During an attack of colitis, symptoms such as diarrhea, abdominal pain, loss of appetite, and constipation may occur. Colitis refers to inflammatory lesions of the colon caused by a variety of reasons, patients usually have diarrhea, abdominal pain, loss of appetite, constipation, some patients may have pus and blood stools and a sense of urgency and heaviness and other manifestations, often accompanied by lethargy, fatigue, increased bowel sounds, and so on. Infectious colitis in colitis has a certain degree of contagiousness, and amoebic dysentery, bacillary dysentery related to the main fecal-oral route of transmission. The treatment of colitis is mainly relieved by dietary modifications, which should be based on foods such as fluids, semi-fluids, and easy-to-digest foods. When patients are diagnosed with the disease, they should promptly standardize the diagnosis and treatment under doctor’s guidance, such as applying Liuzosulfadiazine, berberine hydrochloride, glucocorticoid, mesalazine, probiotics, and levofloxacin capsules. And regular follow-up, pay attention to the daily diet and so on.