Patients with chondromalacia patellae are not recommended to do static squatting, because in static squatting knee flexion, can make the surrounding muscles contraction, tension, can increase the pressure of the knee joint, can increase the wear and tear of the cartilage of the femoral epicondyle and the tibial plateau cartilage between the lateral tibial plateau, can make the patient’s clinical symptoms more pronounced, such as the patient will feel the knee joint area pain, swelling, and in severe cases, the appearance of deformities, or moving with popping and ringing, affecting the patient’s normal knee flexion and extension activities. The patient may feel pain and swelling in the knee joint, and in severe cases, there may be deformity in appearance, or there may be popping when moving the knee joint, which may affect the patient’s normal knee flexion and extension activities. The patient should be instructed to rest in bed, so that the knee joint to maintain a straight position, to avoid external stimulation of cartilage, and at the same time should be applied externally Wantong Tendon and Bone Paste, blood and pain relief cream, Jinhuang Cream, but also can be injected into the knee joint with sodium hyaluronate, which can play a role in the nutrition of cartilage, and also can be instructed to take chondroitin hydrochloride, glucosamine sulfate, to improve the cartilage’s ability to resist wear and tear.