In orthopedic clinical treatment, chondroitin sulfate is often used to treat cartilage damage or lesions. The main reason is that this drug has the effect of promoting cartilage repair in patients with osteoarthritis, such as osteoarthritis of the knee joint, osteoarthritis of the sacrococcygeal joint, or osteoarthritis of the sacroiliac joint. It has a significant therapeutic effect on patients with many types of osteoarthritis and can improve their osteophyte status. The treatment effect for cartilage injuries is also very obvious and outstanding, especially for patients with meniscal injuries of the knee or rotator cuff injuries. In addition to these injuries and diseases, cervical spondylosis, cervical disc herniation, lumbar disc herniation patients due to cartilage degeneration and hyperplasia, or diseases caused by the destruction of cartilage, the effect of chondroitin sulfate is also very obvious, but generally need to be taken together with ammonia.