1.For simple ACL partial rupture injury, it is feasible to perform cast or brace external fixation in the functional position of knee joint for 6 weeks after joint puncture to extract the accumulated blood, so that the ligaments are in the state of laxity in order to repair, and guide the patient to carry out the functional exercise of calf muscle and quadriceps muscle in the early stage, such as ankle pumping and straight-leg raising, so as to prevent the muscle from atrophying. When the swelling and pain gradually subside, the patient can temporarily remove the external fixation on the bed, and can properly practice knee flexion and extension activities to prevent knee adhesion and activity limitation; the external fixation must be worn on the ground, and the patient can practice walking on the ground with crutches. 2.Local physical therapy: within 72 hours of the injury, give the affected knee continuous ice as much as possible, to the extent that the patient has no discomfort. Others such as mid-frequency + electrostatic, traditional Chinese medicine hot omega pack + infrared, ultra-laser pain treatment and so on. 3, Chinese medicine dialectic treatment: (1), qi stagnation and blood stasis certificate: acute post-injury swelling of the affected knee, severe pain, subcutaneous ecchymosis, joint flexion and extension obstacles. The tongue is dark red, the moss is white or yellow, and the pulse is stringy. Treatment: Promote blood circulation and eliminate blood stasis, reduce swelling and relieve pain. Formula: Tao Hong Si Wu Tang plus subtractions. (2) Loss of nourishment of tendons and veins: prolonged injury, swelling and swelling, dull pain and soreness, fond of kneading and pressing, muscle atrophy, weakness of knees, feeling of instability of joints when walking. The tongue is pale with little moss, and the pulse is fine. Treatment: Nourish Blood and strengthen bones. Formula: Strengthening tendons and nourishing blood soup. Volume III of Supplements to the Science of Injuries. (3) Dampness obstruction of tendons and collaterals: long days after injury, repeated swelling, sometimes light, sometimes heavy, heavy fall, swelling and pain, flexion and extension are unfavorable. The tongue is pale and fat, and the pulse is heavy and stringy. Treatment: removing dampness and clearing the channels, supplemented by dispelling wind. Formula: Qiang Wu Sheng Dampness Tang. Internal and External Injuries, Volume I.