Glucosamine hydrochloride is mainly used to nourish cartilage and promote cartilage repair. It is a drug commonly used in clinical practice for degenerative diseases, such as osteoarthritis of the knee, lumbar disc herniation, lumbar spinal stenosis, cervical spondylosis, thoracic back fasciitis, frozen shoulder and other degenerative diseases, mainly because of its ability to promote cartilage repair and nourish cartilage. Pathological basis of degenerative diseases: The earliest manifestation is degeneration and wear of cartilage, which in turn leads to cartilage rupture, resulting in osteophytes. On another level, glucosamine hydrochloride tablets can also prevent osteophytes. Therefore, they are particularly useful for middle-aged and elderly people, but are generally not recommended for young adults, and can be used for a long time, with a course of treatment maintained for 1-3 months, or even longer.