1. The patient can be placed in the left lateral position, with the body flexed naturally and the buttocks exposed. The enema practitioner stands next to the patient and selects an appropriate enema device. Some can use disposable enema devices, and some can use disposable enema devices. You can use warm soapy water or physiological saline, and use different enema methods according to changes in the condition.

2. The operator puts on sterile gloves, adjusts the enema bottle to a certain height, pours the enema liquid into it, lubricates the lower end of the enema with paraffin oil, and slowly inserts it along the anus About 8-10 cm, loosen the vascular clamp at the upper end and slowly pour the liquid into the intestine.

3. The amount of liquid to be injected should be determined according to the condition of the patient. If it is a colonoscopy, a cleansing enema can be used. The amount of enema should be enough to eliminate all food residues in the intestines.