In clinical practice, the care of colitis mainly includes the following aspects: 1. Observe the frequency of diarrhea and the nature of stool of patients. 2. Observe whether patients have thirst, wasting, weakness, weakened skin elasticity, palpitations, and decreased blood pressure, and give patients timely treatment such as rehydration, and pay attention to anti-infection treatment. 3. Use antispasmodics for patients, and the use of antispasmodics must be small doses to avoid 4.Severe seizures should be treated by timely replenishment of fluids and electrolytes and blood products to correct the patient’s anemia and hypoproteinemia. 5.Direct the patient to consume more diet with less irritation, less fiber content and high calories. If the patient has bleeding, it is best not to eat or drink anything, and gradually transition from a liquid diet to a normal diet according to the patient’s condition, so that recovery can be smooth.