Anal incontinence, also known as fecal incontinence and fecal incontinence, refers to the inability to control stool and gas at will. The former refers to the inability to control dry and loose stools and gas, and the latter refers to the inability to control dry stools but not loose stools and gas. 1999 Consensus Conference on the Treatment of Fecal Incontinence in the United States defined it as “inability to control stool for at least 1 month at an age of at least 4 years and recurrent “It also suggested that gas spillage without fecal matter does not constitute incontinence, but frequent gas spillage that affects the quality of life should be treated. Wang Xiaofeng, Department of Anorectology, Guang’anmen Hospital, Chinese Academy of Traditional Chinese Medicine