1. There are many ways to clean intestines, and each hospital is different. Intestinal preparation should be carried out according to the doctor's advice (especially colonoscopy).

2. Eat lightly for three days before the examination. Do not eat fiber-rich fruits and vegetables the day before, and fast on the day of inspection.

3. After taking the medicine, if the discharge contains feces or feces-like liquid, the medical staff for colonoscopy should be informed in time for further intestinal treatment.

4. Before the examination, listen carefully to the doctor's introduction to the examination process to relieve ideological concerns.

5. Colonoscopy has certain risks. For your safety, people over 60 should have an electrocardiogram examination.

6. If there are obvious symptoms such as abdominal pain, bloating and dizziness after intestinal examination, you should inform the doctor in time for further treatment.