The ligament rupture can be judged according to the patient’s clinical symptoms and imaging examinations, as follows: First, clinical symptoms: after the ligament rupture, there will be severe and continuous local pain symptoms, accompanied by joint and ligament stop site activity restrictions, the patient will have swelling of one side of the ligament, and the examination will reveal a positive opening test, i.e., the ligament is stretched, local unobstructed stress, so the range of motion will The range of motion will be increased. Secondly, imaging examination: positive opening test can be found by stress radiography, and MRI examination can reveal the loss of continuity and integrity of the ligament, and the rupture of the body or the stop of the ligament. The above methods can confirm the diagnosis of ligament rupture, and after the diagnosis, early treatment should be actively carried out to restore the continuity and integrity of the ligament.