Hand joint pain may be caused by acute or chronic trauma, local or systemic infection, rheumatic immune system disease, degenerative osteoarthropathy, metabolic bone disease or osteoarthritic tumor. 1. Acute or chronic trauma: on the one hand, the hand joint pain occurs after a clear trigger, such as acute trauma such as hand trauma; on the other hand, it is a chronic mechanical injury, such as long-term hand-held power tools lead to recurrent minor injuries to the hand and so on. 2. Infection: local soft tissue infection (such as tendon sheath abscess, inguinitis, etc.), adjacent osteomyelitis, or systemic infection, local pain, redness, swelling, and even fever and other discomforts will often occur. 3. Rheumatic immune system diseases: autoimmune diseases such as systemic lupus erythematosus, rheumatoid arthritis and other diseases can involve the wrist joints of both hands as well as multiple finger joints, resulting in joint pain in the hands, and even discomfort in the shoulders and hip joints, which can be accompanied by hair loss, erythema, oral mucous membrane erosion and other manifestations. 4. Degenerative bone and joint diseases: some hereditary causes of joint degeneration, or chronic causes of degeneration of the joint surface, resulting in reactive hyperplasia of the bone and joint, the formation of bone spurs, which can cause joint pain in the hand, common osteoarthritis. 5. Metabolic bone disease: such as osteoporosis, gout, thyroid and other diseases will also appear hand joint pain. 6. Bone and joint tumors: including benign and malignant tumors, because the local expansion of the tumor triggers pain, often appear local mass, can be accompanied by pain. There may be other reasons for hand joint pain, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or therapy.