1, the preparation of enema liquid should avoid the use of drugs that have a corrosive effect on the intestinal mucosa.

2, insertion of the anal canal should be gentle, so as not to bruise the mucosa. If you have hemorrhoids, you should be more cautious. 3, the enema should be retained for a period of time according to the condition of the patient, such as some patients can not be retained, you can take the head down, feet high supine position, the enema should also reduce the dose. The time of the enema is generally appropriate at night before going to bed.