The common causes of sagging belly are the following: 1, too much abdominal fat leads to less skin tension, due to the accumulation of fat and lead to abdominal sagging. 2, there are abdominal injuries, such as the formation of postoperative incisional hernia, especially in the median abdominal incision, early due to the exudation of intestinal contents, abdominal contents, resulting in a larger, sagging abdomen more, a rare category of causes such as vascular disease, there is extensive abdominal wall veins varicose, resulting in an enlarged and sagging abdominal wall, similar to the state of a pregnant woman. In addition, there is ascites caused by cirrhosis, when a large amount of ascites is deposited in the abdominal cavity, it will manifest itself as an enlarged abdomen and sagging abdomen.