Two months after the posterior cruciate ligament surgery, joint bending restriction, you can choose to perform arthroscopic surgical release, manipulative release, functional exercises for treatment. 1. Arthroscopic surgical release: the effect is better and the patient feels less pain, but the cost is higher and it is a secondary surgery. 2. Manipulative release: lower cost, generally need to carry out the affected limb nerve block anesthesia, reduce the patient’s pain, after release due to tissue bleeding, easy to cause swelling. 3. Functional Exercise: Longer course of treatment, no additional operation is needed, exercise can be carried out under the guidance of the attending surgeon and rehabilitation doctor. When joint adhesion occurs after posterior cruciate ligament surgery, a suitable treatment plan should be chosen under the guidance of the doctor.