After drinking mannitol can be carried out polypectomy, generally does not cause too much effect, mannitol belongs to the isomer of sorbitol, mainly used in the treatment of various causes of cerebral edema, when used in moderation to reduce intracranial pressure, but also for the lowering of intraocular pressure also has a certain therapeutic effect. Mannitol also has the effect of osmotic diuresis, can be used for preoperative intestinal preparation, so patients can drink mannitol after polypectomy, generally does not cause too much impact, do not need to worry too much, the patient in the polypectomy, should pay attention to appropriate rest, to avoid excessive exertion. But note that if the polyp removal is performed under painless enteroscopy, 4-6 hours before anesthesia is not allowed to eat water, so you can also not drink mannitol. Patients before polypectomy, should strictly follow the doctor’s instructions for preoperative preparation, to avoid improper diet or strenuous exercise, resulting in adverse consequences, it is recommended that patients follow the doctor’s instructions, do not blindly decide on their own, in order to avoid delaying the condition.