Black stool 1~2 days after gastric polyp removal is normal, because the trauma has not recovered, and the gastric mucosa bleeds slightly in the process of cutting the polyp. If it lasts for 1~2 weeks, it is not normal to have black stools. Gastroscopy found that gastric polyps can be surgically removed, after the removal of the wound is not healed, there is gastric mucosal bleeding, blood oxidation will turn into black, so it leads to black stool. Under normal circumstances, the symptoms disappear after 2~3 days, if 1~2 weeks after discharge from the hospital, there are still black stools, accompanied by abdominal pain and other symptoms, it is an abnormal situation, you should go to the hospital in a timely manner to deal with. After the removal of gastric polyps to avoid stimulation of the wound, after the resumption of diet, you need to maintain a light diet, avoid eating stimulating food, quit smoking and drinking. Gastric polyp removal after black stool is recommended to consult a doctor in a timely manner, with the help of the doctor to clarify the cause of the disease, and targeted treatment or treatment.