There is no such thing as what is the best thing to eat to clean the intestines. You can take laxatives such as Calcium Polycarbophil and Polyethylene Glycol Electrolyte Oral Liquid as prescribed by your doctor to clean the intestines. If there is constipation, or the need for colonoscopy and other tests, you can follow the doctor’s instructions to take polycarbophil calcium tablets to increase the water in the feces, to achieve the effect of cleaning the intestinal tract, you can also take polyethylene glycol electrolyte oral solution to increase the composition of intestinal fluids, promote intestinal peristalsis, causing watery diarrhea, but also to help clean the intestinal tract. For patients with constipation, you can also eat some dietary fiber-rich foods on a daily basis, such as Sydney, dragon fruit, oranges, kiwi, etc. This type of food enters the body, which can accelerate the speed of gastrointestinal peristalsis, and promote the discharge of intestinal contents. Polycarbophil calcium tablets, lactulose need to be taken under the guidance of a doctor, avoid unauthorized use of medication, if there is severe constipation, you need to actively carry out examinations, for the cause of the treatment.