The vague pain in the stomach after LEEP knife surgery is considered to be related to normal phenomenon, cervical irritation, uterine contraction, etc. Generally, the pain lasts for about 1 week and can be gradually relieved. 1. Normal phenomenon: due to the LEEP knife surgery to cut off part of the cervical tissue, local fresh trauma, so the patient may appear after the operation of abdominal pain, a small amount of vaginal bleeding and other discomforts, generally the symptoms last about 1 week can be gradually relieved. 2. Cervical irritation, uterine contraction: because the cervical LEEP surgery may stimulate the local nerve tissue, at the same time, the surgery may also stimulate the uterus and cause uterine contraction, so the patient will experience abdominal pain and other discomforts after the surgery. There may be other reasons for abdominal pain after LEEP knife surgery, or there may be no obvious relationship with the surgery itself. If the symptoms continue to be unrelieved, it is recommended to go to the gynecology department of the regular hospital for consultation, and then actively treat under the guidance of the doctor after the cause of the disease has been clarified.