The recovery time of ligament strain cannot be generalized, it is related to the severity of the injury, the treatment plan, the patient himself and other factors. 1. mild ligament strain: ligament tear degree is light, there is no joint instability, can be given to the support external fixation, ice, brake rest, generally speaking, 2 ~ 3 weeks can be self healing. 2. Moderate ligament strain: the degree of ligament tear is more serious, accompanied by mild or moderate joint instability, need to wear a brace or cast immobilization to protect the joint posture, keep the ligament relaxed to promote the repair and healing. It usually takes 4 to 6 weeks. Followed by rehabilitation training, the joint will return to normal in about 3 months. 3. Severe ligament strain: A complete tear of the ligament with significant joint instability is recommended for immediate medical treatment. If the ligament is severely damaged, surgery is needed to rebuild the ligament. After surgery, the ligament needs to be immobilized in a plaster cast, and rehabilitation training is required. Warm reminder: ligament injury should be timely medical treatment, under the guidance of the doctor for reasonable diagnosis and treatment. Usually pay attention to do a good job of protection, to avoid causing sports injuries.