Minimally invasive surgery for anal fissures involves three steps in the surgical process: first, anesthesia is required before the surgery in order to avoid painful inability to continue the surgery and to prepare for other unexpected situations. Secondly, the most critical and rigorous part of the surgery is the removal of the anal fissure, which will be done directly. Thirdly, the wound closure of the surgically excised area after the surgery is the last step, which is also a critical step. In summary, the treatment process of minimally invasive anal fissure surgery is anesthesia, excision of the affected area and suturing, if you suffer from anal fissure, you can go to a regular hospital anorectal specialist for consultation and treatment.