One month after the intestinal polyp surgery still have diarrhea may be the surgical site is not fully recovered, may also be infected resulting in diarrhea. 1. Wounds are not healed: intestinal polyps, if relatively large, or a large number of surgical one-time removal of the incision formed after the difficult to recover completely within a short period of time, and the formation of feces after daily eating, will stimulate the wound leading to increased intestinal peristalsis, diarrhea, it is recommended to eat a light diet, and regular rechecks. 2. Infection: If you eat unclean food caused by gastroenteritis, it will cause diarrhea, can also be accompanied by abdominal pain, abdominal distension, fever and other symptoms, you can improve the routine examination, follow the doctor’s instructions to use drugs, such as levofloxacin, etc., if the diarrhea is serious, you can use antidiarrheal drugs, such as montelukast and so on. It is recommended that patients go to the hospital for further examination, to clarify the cause of the disease, under the guidance of a professional doctor to give the relevant treatment, do not blindly use their own medicine, so as not to cause adverse reactions.