Ligation release is usually a tubal recanalization surgery. It can be done in the local municipal maternity and child health care hospitals, people’s hospitals of second grade or above, or specialized hospitals. It requires open surgery and cannot be minimally invasive laparoscopic. Into the abdomen, layer by layer to open the skin subcutaneous fat, sheath, tendon, peritoneum, to find the uterus, along the two sides of the uterine horn, to find the fallopian tubes, ovaries, the severed fallopian tubes reconnected. During the operation, we checked whether there was any bleeding, avoided damaging other tissues, cleaned the instrument gauze, and then closed the abdomen layer by layer without error. Postoperative anti-inflammatory, hemostatic and symptomatic treatment was given. The condition was stable, the wound healed, and the patient was discharged from the hospital. If you want to prepare for pregnancy after 3 months after the operation, you can have a tubal flux or imaging first, and then get pregnant normally.