Anterior cruciate ligament injury patients need to follow the doctor’s instructions for drug treatment, general measures and surgical treatment. 1. Medication: Usually, patients need to take non-steroidal anti-inflammatory drugs such as celecoxib and etoricoxib as prescribed by the doctor, so as to reduce swelling and pain. If the patient’s symptoms are more serious, steroid drugs such as prednisone and dexamethasone can be injected into the joint cavity under the guidance of the doctor. 2. General measures: patients can wear knee pads and use crutches as prescribed by the doctor if their condition is stable. And also need to elevate the affected limb, knee braking, compression bandage and other ways to relieve pain and swelling. Some of the patients can also jogging, swimming and other sports to restore the function of the knee joint, enhance muscle strength, and prevent secondary injuries. 3. Surgery: For patients with obvious instability of the knee joint, arthroscopic ligament reconstruction surgery is needed under the guidance of a doctor. Surgery is also needed for patients with high sports demand, teenagers and children with complete rupture of cruciate ligaments, and multiple ligament injuries of the knee joint. It is recommended that patients with ACL injuries, timely according to their own conditions, under the guidance of the doctor reasonable treatment, so as to avoid recurrence or aggravation of the condition.