Joint pain can be caused by trauma, synovitis, autoimmune system diseases, etc. It can be treated by applying anti-inflammatory and pain relief ointment, blood circulation and pain relief ointment, and pain relief ointment. 1. Trauma: Joint dislocation and intra-articular fracture caused by trauma can lead to joint pain. It can be treated by applying Yunnan Baiyao ointment, blood circulation and pain relief ointment, and other ointment for pain relief. 2. Synovitis: Trauma or over-exertion can damage the synovial membrane of the joints, producing a large amount of fluid and increasing the pressure in the joints, leading to joint pain, swelling, pressure and pain and other symptoms. It can be treated by applying ointment of blood circulation and pain relief such as Compound South Star Pain Relief Ointment and Musk Bone Strengthening Ointment. 3. Autoimmune diseases: autoimmune diseases include rheumatoid arthritis, lupus erythematosus, psoriasis, etc., which will invade the joints, resulting in redness, swelling and pain. They can be treated by applying anti-inflammatory and anti-inflammatory ointment such as Pain Relief and Anti-inflammatory Ointment and Pain Relief Paste. There are many other causes of joint pain, once joint pain occurs, it is recommended that the patient should go to a regular hospital in time to identify the cause of the disease and treatment.