Whether high anal fistula can be minimally invasive surgery, need to be based on the patient’s condition and hospital diagnosis and treatment conditions to decide. Clinically, if it is simple high anal fistula, generally not recommended to do minimally invasive surgery; for more complex high anal fistula, can choose minimally invasive surgical treatment. If belongs to the high simple anal fistula, can not do minimally invasive surgery, directly do hanging line therapy can be. The main use of rubber bands or the use of corrosive medicinal thread to cut the anal fistula, and then ligation, so that the local tissue ischemia, necrosis. Thoroughly remove the lesion, reduce the chance of recurrence after surgery. For more serious and complex high anal fistula, you can consider doing minimally invasive surgery. If the sinus tract is relatively smooth, no obvious infection manifestation, and the medical conditions are relatively perfect, you can consider LIFT surgery, anal fistula surgery, such as video-assisted treatment, which is mainly completed under the anal fistula mirror, the lesions can be observed through the video display, and the surgical treatment is more thorough. If the high anal fistula is currently detected, the severity of the condition should be analyzed as soon as possible to understand whether the condition has progressed and related complications, and then combined with the diagnostic results to take the best treatment, so as not to delay the condition leading to the aggravation of anal fistula.