The need for intra-articular injection of sodium vitrate depends on whether the patient has relevant indications or not, if there are relevant indications then the injection is recommended, if there are no relevant indications then there is no need for the injection. Intra-articular injection of sodium vitrate is a commonly used clinical treatment for various osteoarthritis, such as knee osteoarthritis, hip osteoarthritis, elbow osteoarthritis, ankle osteoarthritis, and periarthritis of shoulder joints, which can effectively improve clinical symptoms. Sodium vitrate is a kind of macromolecular substance widely existed in the human body, which is the main component of synovial fluid and one of the components of cartilage matrix. In the joint cavity, it can play a lubricating role, which can cover and protect the surface of articular cartilage, improve the contracture of joints, and inhibit the degeneration of cartilage. If treatment with intra-articular injection of sodium vitrate is required, please follow your doctor’s instructions.