The harmful effects of excessive anal lifting, anal lifting exercise is a health exercise for the anal area, for women can enhance the tension of the anal sphincter, eliminate fatigue, relieve the symptoms of ligament, while reducing the protrusion of the anal area, improve local blood circulation, reduce local pain and so on. At the same time can improve the pelvic floor function, for women to improve the function of the pelvic floor is a very good way to exercise. Generally there is no harmful effect on the local area, but if excessive anal lifting exercise may lead to uncoordinated anal sphincter function, causing defecation dysfunction, and also cause outlet obstruction type constipation. In addition, it can lead to defecation disorders, but the probability of this is very low, so anal exercise is usually a safe exercise, but not excessive. In some cases, the anal sphincter may become uncoordinated and cause defecation dysfunction, leading to constipation of the outlet obstruction type.