Aminosugar often refers to glucosamine capsule, chondroitin often refers to chondroitin sulfate, the two can be taken together, the two together can repair the articular cartilage, so that the function of the cartilage to return to normal, and further promote the production of synovial fluid, so as to treat osteoarthritis. 1. Glucosamine capsule has the functions of generating and repairing the broken articular cartilage, promoting the generation of synovial fluid, synthesizing hyaluronidase, enhancing the immunity of joints, and preventing the loss of calcium. Chondroitin sulfate has the functions of cushioning friction, delivering nutrients, maintaining elasticity and preventing cartilage from being broken down. 2. When Glucosamine capsule and Chondroitin Sulfate are used together, it can strengthen the inhibition of the generation of oxygen free radicals in the joint tissues, and also inhibit the metalloproteinase, stabilize the lysosomal membrane, promote the synthesis of proteoglycans and collagen, so as to achieve the analgesic and anti-inflammatory effects. Glucosamine capsules are prohibited for pregnant women, lactating women, diabetic patients, patients with hepatic or renal insufficiency, and those who are allergic to shrimp and crab; chondroitin sulfate is prohibited for patients with bleeding tendency. All of the above drugs should be used under medical supervision.