After colon ESD surgery generally 7~15 days can eat normally, the specific time needs to be decided according to the postoperative recovery. Colonic ESD surgery is known as endoscopic submucosal dissection, which is a minimally invasive treatment means of endoscopic complete peeling of lesions under the mucosa, with the characteristics of more complete cutting of surgical lesions, less traumatization, more thorough treatment, low recurrence rate, etc., which is preferably suited for the treatment of pre-cancerous lesions in the digestive tract and early stage cancer. Colon endoscopic mucosal dissection, due to the traumatic postoperative recovery, generally routine postoperative fasting water observation for 24~48 hours, such as postoperative patients do not have vomiting blood, black stools, abdominal pain, subcutaneous emphysema and other occurrences, can be appropriate to enter the fluid food. If the normal healing of the colon endoscopic submucosal dissection 7-15 days after surgery can be normal food. After colon endoscopy submucosal dissection, the specific normal eating time, that is, the time to eat ordinary food should be determined by the recovery after surgery, the specific normal eating time should be strictly in accordance with the doctor’s instructions.