Patients with multiple joint pain may be due to rheumatoid arthritis, osteoporosis, gout and other causes. 1. Rheumatoid arthritis: Rheumatoid arthritis is an autoimmune disease that mainly affects the peripheral joints, so the pain in multiple joints may be caused by rheumatoid arthritis. 2. Osteoporosis: Osteoporosis may lead to increased bone brittleness, destruction of bone microstructure and low bone mass, resulting in joint pain, spinal deformity, fracture and other symptoms. 3. Gout: Uric acid crystals in gout patients will stimulate inflammation in the joints and surrounding tissues, leading to joint pain and swelling. Patients with multiple joint pain symptoms may have other reasons, it is recommended to the regular hospital rheumatology, orthopedics, under the guidance of the doctor to further improve the relevant diagnosis and targeted to be treated.