The precautions after minimally invasive intestinal polyp surgery are as follows: 1. Diet plan, the day after surgery, you need to fast, you can drink a small amount of water, cool water at room temperature is appropriate. On the second day after surgery, you can have a liquid diet, starting with a cold rice soup or a small number of meals. If there is no abnormal reaction, semi-liquid food, including thin rice, noodles, etc., can be eaten on the third day after surgery. The temperature of food should be slightly higher than room temperature, and hot tea and hot food should not be consumed. During the semi-liquid diet, it is not advisable to eat too much green vegetables and other foods containing more residue. The semi-liquid diet is maintained for three days, that is, the sixth day after surgery can gradually return to normal diet, but green vegetables should not eat too much food, and after ten days, it is possible to eat green vegetables normally; 2. Strenuous exercise is prohibited within two weeks after surgery, and all activities are based on the principle of calm and no sweating, and any sweating exercise should be prohibited; 3. The first follow-up visit is scheduled in the sixth month after surgery, and if post-ESD treatment is performed, colonoscopy is scheduled in the third month after surgery at the hospital outpatient clinic. The focus of colonoscopy is to observe the healing of the surgical wound in order to evaluate the effect of the surgery. Patients will be reviewed for subsequent colonoscopy once a year, or every 3-5 years after three years if no new polyps are found for three consecutive years.