With chondromalacia patella, we usually give glucosamine, calcium tablets, and non-steroidal anti-inflammatory drugs. Chondromalacia patella, also known as chondromalacia patella, is caused by long-term chronic wear and tear of the patellar articular cartilage, degenerative changes in the articular surface of the patellar cartilage, resulting in softening chafing and exfoliation and other lesions. This injury is a common and frequent disease of athletes and middle-aged and elderly people, the main cause of injury is strain. There are also a small number of people is every trauma gradually began. That is to say, the patellar cartilage is gradually developed after acute injury of osteoarthropathy. Strain is usually caused by prolonged semi-squatting or repeated flexion, extension and twisting of the knee joint, which causes excessive friction and impact between the corresponding joint surfaces of the patella and femur. For the treatment of chondromalacia patella, first of all, we can medication, oral glucosamine, 2 capsules each time, 3 times a day. Oral non-steroidal painkillers, such as etoricoxib, 60mg each time, once a day, when the pain is severe, generally anti-inflammatory painkillers have side effects, oral calcium tablets, once a day, one tablet each time. 2nd we can have rehabilitation physical therapy, such as heat therapy heat therapy for the pain area. The third we can carry out muscle training, strengthen the muscles around the knee joint training, such as femoral 4 head muscle strength training. Also, we should avoid doing some damage to our patellofemoral cartilage, such as squatting or climbing and other actions, the recommended exercise is to walk slowly, swimming and other sports. The treatment of chondromalacia patella, drug treatment plus a series of rehabilitation physical therapy.