LIFT surgery Chinese translation for inter-sphincter fistula ligation, is a minimally invasive anal fistula surgery with more clinical applications, with the following advantages and disadvantages. 1. Advantages. Anal fistula using LIFT surgery is minimally invasive surgery, surgical wound is small, intraoperative bleeding is small, not easy to secondary infection, surgical resection is more thorough, the damage to the human body is more minor than the traditional surgery, which can make the patient’s postoperative trauma after anal fistula faster recovery, and it is not easy to appear postoperative complications, such as partial incontinence produces an anal overflow, or complete anal incontinence. 2.Disadvantages. Intraoperative resection of the lesion is meticulous, in the patient’s postoperative recovery needs to continue to observe the trauma, patients need to be psychologically prepared, it is best to maintain good communication with the doctor in advance, to understand the surgical program. It is recommended that patients communicate more with their doctors before surgery to choose the appropriate surgical procedure.