The specific steps of the enema treatment are as follows: 1. The patient is placed in a lateral position with the knees bent inward and the buttocks lifted as far as possible to the outside. 2. The patient’s anus is disinfected superficially and an anal tube of approximately 16-20 cm in length is inserted into the patient’s anus and allowed to enter the rectum. 3. During the infusion process, the medical staff will adjust the flow rate of the medicine and infusion according to the patient’s actual condition. 4. After the infusion is completed, the anal tube will be removed and the medicine will be kept in the intestine for 10-20 minutes before defecation. 5. Patients with prolapse of the rectum, intestinal mucositis, rectal ulcer, etc., are prohibited from using enema treatment.