Patellar adhesion after knee surgery can be treated by physical methods and surgical methods. 1. Physical therapy: when the symptoms are mild, the limbs can be strengthened for self-exercise, improve joint activities, do stretching and flexion exercises to restore the patella’s movement trajectory. If there is pain during exercise, local cold compress or drug ibuprofen analgesic. If necessary, the experienced rehabilitation therapist can perform joint loosening surgery. 2. Surgery: when physical therapy cannot improve the condition and relieve the symptoms of patellar adhesion, it is necessary to go to the hospital and consider surgery. Patellar adhesion is one of the postoperative complications of the knee joint, the knee joint should not be too early activities after surgery, joint involvement, but early activities, pay attention to rest, should not be cold joints. If the adhesion situation worsens, you need to seek medical attention.