The role of amylose chondroitin is mainly to repair the wear and tear of joint cartilage. Both amylose and chondroitin (including chondroitin sulfate) are important components of cartilage, especially cartilage matrix, and the application of amylose chondroitin can repair joint cartilage and treat arthritis, joint wear and tear, corresponding synovitis, as well as swelling and fluid accumulation. Aminoglycan chondroitin has a certain therapeutic effect on arthritis and hyperplasia of knee and shoulder joints. Moreover, aminoglycan chondroitin and calcium complement each other and have a good protective effect on joint inflammation, osteoporosis and degenerative lesions in old age, which can reduce fluid accumulation, reduce joint load, repair cartilage and reduce inflammatory exudation, and can play a role in protecting joints.