Sigmoid colon redundancy belongs to the congenital sigmoid colon overgrowth of the digestive tract malformation disease, repeated constipation, according to the condition of non-surgical treatment and surgical treatment. 1. Non-surgical treatment: Non-surgical treatment mainly consists of comprehensive therapy such as bowel training, diet therapy and medication. Such as life should eat more food containing dietary fiber, such as beans, coarse grains, etc., also need to maintain sufficient water intake, so that there is enough liquid in the intestinal tract, which can help defecation, and avoid spicy and stimulating food. Lactulose, Mosapride and other drugs can also be used under the guidance of the doctor. 2. Surgery: patients with serious condition need to be treated by surgery, which includes radical surgery via congenital megacolon and most of sigmoid colon resection. It is recommended to go to the regular hospital in time, under the guidance of the doctor’s active treatment.