The joint function إعادة التأهيل device has the function of helping the joints quickly resume their activities after the operation, and the joints can move freely after the recovery. And this joint function إعادة التأهيل device is to provide a novel العلاج الطبيعي, using the theory of continuous passive movement of the synovial joint, which is a postoperative إعادة التأهيل therapy that is different from traditional إعادة التأهيل methods. The joint function إعادة التأهيل device is an orthopedic إعادة التأهيل medical device. Based on the theory of continuous passive motion, it stimulates the human body’s natural resilience by simulating the natural movement of the human body, exerts the function of tissue compensation, and performs lower limb joint function recovery training. It has clinical applications It is safe and practical, pain-free, patient willing to accept, has a wide range of joint motion, effectively eliminates joint adhesion and necrotic joint survival, wound healing and swelling, promotes the self-repair of articular cartilage damage, and facilitates the transformation of transplanted periosteum into hyaline articular cartilage.