There is no position in which the enema works well. The position should be placed according to the patient’s condition, either in the side-lying position or in the supine position. 1. Side-lying position: often left lateral position, knees flexed, exposing the buttocks, and under the buttocks pad treatment towel and rubber sheet, the curved disk is placed next to the buttocks, this position is suitable for most people. 2. Supine position: the stool tray is placed under the buttocks in the supine position, which is suitable for patients who cannot control defecation. Enema is a common clinical operation, used to stimulate intestinal peristalsis, soften and remove feces, dilute intestinal toxins, and reduce absorption. Enema operation should be avoided for pregnancy, acute abdomen, severe cardiovascular disease, gastrointestinal bleeding and other conditions, so as not to aggravate the condition.