After gastroscopic polyp surgery, if it is a simple polypectomy, generally need to fast for about 8 hours and then can eat fluids such as milk, etc. If the submucosal dissection, need to fast for about 72 hours. Gastroscopic polypectomy need to fast, but due to the size of the polyp, the patient’s condition is different, the surgical method may also be different. If it is simple polypectomy, generally need to fast for about 8 hours before you can eat fluids, such as soy milk, milk, millet porridge, etc.; if the submucosal dissection, need to fast for about 72 hours. Diet still need to pay attention to do not eat spicy stimulation, too cold, too hot, too acid, too salty, rough food, avoid drinking alcohol and strong tea, but also pay attention to rest, avoid strenuous exercise, in order to avoid causing the surgical scope of the affected area to produce ulcers, bleeding, perforation. Gastroscopic polyp surgery after the precautions recommended to consult a doctor.