The specific process of enema treatment is as follows: 1, the patient keeps both knees bent as well as lying on the side, and the buttocks remain exposed; 2, the operator uses disinfectant to repeatedly and fully disinfect the anus and surrounding tissues; 3, the enema bag is suspended in a rack 40-60 cm above the buttocks, and the anal tube is exhausted and inserted inside the patient’s anus, and the insertion depth for adults is 7-10 cm; 4, Loosen the anal tube clamp and maintain a fixed flow rate to the patient’s rectum for continuous enema until the enema bag liquid infusion is completed; 5, the medical staff will pull out the anal tube from the anus and instruct the patient to remain as still as possible, so that the enema fluid in the patient’s body for 5-6 minutes before the defecation operation, so that the excrement accumulated in the large intestine, rectum from the body; 6, wipe the patient’s anus and clean up with materials.