Doing colonoscopy generally affects the intestinal function and damages the intestinal mucosa, after doing it without other symptoms you can eat noodle soup and other light and easy to digest food, avoiding milk and other indigestible food. You can’t eat immediately after colonoscopy treatment, follow the doctor’s instructions to eat. Before the colonoscopy will drink polyethylene glycol and other electrolyte solution to promote defecation, clean intestines, affecting the normal peristaltic function of the intestines, colonoscopy will cause some damage to the intestinal mucosa. After colonoscopy without abdominal pain and other uncomfortable symptoms, you can eat noodle soup, millet porridge and other light and easy to digest fluid, semi-fluid food, is conducive to digestion and absorption, generally does not cause irritation to the intestinal mucosa. Avoid protein-rich foods such as milk and soymilk, which are not easily digested and absorbed after eating, and are prone to flatulence and aggravate the burden on the gastrointestinal tract. After performing colonoscopic polypectomy, there is a certain amount of resection incision, can not eat immediately, under the guidance of the doctor fasting for a certain period of time, can be supplemented with fluid food and so on. After the colonoscopy should follow the doctor’s instructions, under the guidance of the doctor to eat, pay attention to dietary regulation, in order to avoid adverse reactions.