The causes of polyp recurrence include incomplete surgical resection, ineffective control of inflammation, and improper diet. 1. Incomplete surgical resection: the polyps are not completely removed during the surgery, and the root cause of the disease is not removed, which can easily cause polyps to recur. 2. Anti-inflammatory not effectively controlled: such as cholecystitis, colitis, pharyngitis, gastritis, etc., the inflammation is not effectively controlled, will stimulate the gallbladder, colon, pharynx, gastric mucosa, which will lead to polyp recurrence. 3. Improper diet: Eating too much greasy, spicy and irritating food for a long time will trigger the recurrence of polyps. There may be other reasons for the recurrence of polyps. You need to go to the hospital in time for examination, identify the cause of the disease, and carry out targeted treatment.