Finger joint pain and swelling are common symptoms, not necessarily related to disease, and there is no such thing as which four diseases to be alerted to. As the hand is exposed to cold, or contact with cold water to stimulate local tissues, joints or nerves, can cause neuropathic pain and joint swelling, and extrusion, collision, fractures and other traumatic factors are also one of the triggers. It also needs to be clear that if it is related to a disease, it is not just alert to four kinds. 1. tenosynovitis: stenosing finger flexor tendinitis is the most common, manifesting as finger redness, swelling, heat, pain, and also popping when moving. The programmers, textile workers, instrumentalists, and people who frequently hit the keyboard and other frequent use of the fingers are good. Finger flexor tenosynovitis may be a natural disease, while rheumatoid arthritis, gout and other diseases can cause proliferative or inflammatory finger flexor tenosynovitis; 2, carpal tunnel syndrome: commonly known as the mouse hand, the thumb, index finger, middle finger to the distribution of the median nerve, mainly due to a variety of occupational groups of high-frequency use of the hand, resulting in the median nerve pressure in the carpal tunnel caused by peripheral nerve entrapment syndrome, manifested as finger numbness, pain, unresponsiveness. Pain, unresponsiveness, patients may be mistaken for joint pain; 3, rheumatoid arthritis: rheumatoid arthritis is an autoimmune disease, due to arthropathy, can cause swelling, pain, restricted movement of the finger joints, etc., the late stage of joint subluxation deformity, showing swan neck-like abnormal bending. In addition, it can also cause patients with fever, fatigue, loss of appetite, some patients can also appear rheumatoid nodules; 4, gout: the specific cause of gout is not yet clear, but hyperuricemia is often closely related to gout, and is not a necessary factor. Patients often show sudden onset of single or multiple joints with severe pain, finger joints are also common, manifesting as joint redness, swelling, fever, pain, but the first attack is self-limiting, usually in a few days to 2 weeks can be relieved. If repeated attacks can develop into a chronic disease, resulting in joint deformity; 5, cervical spondylosis: such as neurogenic cervical spondylosis, due to degenerative lesions of the cervical spine compression of nerve roots, involving the upper extremity range, and then sensory impairment, including finger joint pain, swelling; 6, osteoarthritis: no specific clear cause, manifested as degenerative changes in joint cartilage, when the fingers appear to change, patients can show finger joint pain, swelling. swelling.