Knee ligament reconstruction recovery method is generally based on functional exercise, appropriate use of pain medication, muscle strength exercise to help recovery. 1. Functional exercise: the functional exercise in the early postoperative period mainly focuses on knee flexion and extension activities, strengthening the quadriceps function exercise, and the quadriceps function exercise mainly focuses on straight-leg elevation function exercise and weight-bearing straight-leg elevation exercise. 2. Appropriate use of painkillers: painkillers such as ibuprofen, etoricoxib and other non-steroidal anti-inflammatory drugs are the main ones, which should be used under the guidance of the doctor, can help reduce postoperative inflammation and help functional exercise. 3. muscle exercise: muscle exercise to open chain, closed chain, mainly to help patients restore the ability to exercise, generally 6 months after surgery, specific should be carried out under the guidance of the attending physician. Knee ligament reconstruction recovery, should be combined with the surgeon’s advice for rehabilitation recovery, in order to get better results.