Knee ligament ruptures are generally more serious. Most of the knee ligament ruptures are caused by direct or indirect violence to the knee joint, resulting in injuries to the patellar ligament, medial and lateral collateral ligaments, and anterior and posterior cruciate ligaments of the knee, etc. Generally speaking, minor tears belong to the less serious injuries, and most of the patients can be fully recovered through conservative treatment. Ligament rupture is generally a more serious injury, patients often appear knee pain, swelling and limited activities and other symptoms, if there is no formal treatment, patients may miss the joint deformity, limited activities and other symptoms. Therefore, it is recommended that patients need to consult the hospital in time to clarify the extent and location of the injury, and according to the situation to take the cast immobilization, if necessary, to take surgical treatment for ligament reconstruction. Patients with ruptured knee ligaments are advised to consult a doctor in time to complete the relevant examinations and take regular treatment after clarifying the degree of ruptured knee ligaments.