INTRODUCTIONrnAdhesion and scar in articualr cavity, periarticular soft tissue and be-tween bones are often caused after injury of knee joint or operation forfracture of femur because no timely and correct rehabilitation treatmentare performed and lead to stiffness of knee joint If no timely and correctrehabilltation treatment is performed after arthrolysis, postoperativeadhesion is inevitable and effect of surgical treatment is poor.rn