Finger joint pain is a natural phenomenon of damage and aging of the cartilage in the joints. Cartilage is the substance that lines up along the joints and prevents the ends of the bones from rubbing together and allows the joints to move freely in a state filled with joint fluid. As time passes and the body ages, the cartilage is worn away, the bones are exposed, and the joints and joints in the fingers, knees, neck, etc. become painful, swollen, stiff (morning stiffness), and rattling when they move and rub against each other. Causes of finger joint pain Osteoarthritis is caused by tissue degeneration and cumulative strain injury. Osteoarthritis affects the distal and proximal interphalangeal joints of the hand, the knee, elbow and shoulder joints, and the spinal joints, while the wrist and ankle joints are less commonly affected. The most common sites are the knee, fingers, neck and lumbar spine. The symptoms are mainly joint pain and stiffness (pain may be relieved by light activity), and in severe cases, joint swelling and muscle atrophy may occur. Pain and swelling in the finger joints, with bony growths (bone spurs) in the joints. It mostly occurs in the end finger joints, but can also occur in the joints between the fingers. Proliferative arthritis is usually older, appearing first in one or more fingers over the age of 40, and subsequently, involving other fingers. The affected joints may be red, swollen and painful. The joint stiffness is more common in the morning and can be heavy, but it lasts for a short time, less than 20 minutes. x-rays show signs of osteophytes. Rheumatoid arthritis is also one of the causes of finger joint pain, often involving the proximal phalanges of the fingers, with morning stiffness (stiffness of the fingers in the morning, difficulty in making a fist), often involving the proximal phalanges of the fingers, usually with multiple joint pains, often symmetrical and wandering characteristics. Laboratory tests and X-rays show bone damage and a positive rheumatoid factor. The danger of finger joint pain The danger of rheumatoid arthritis is a factor that should not be overlooked, the disease is a common disease in life, multi-morbidity, belonging to a kind of autoimmune disease, Chongqing Union Hospital experts reminded that finger joint pain is mainly arthrosis, causing pain and swelling of the hands, wrists, feet and other multi-joint, early joint redness, swelling, heat and pain and dysfunction, late joints can appear in varying degrees In the early stage, there is redness, swelling and swelling of the joints and dysfunction. The prevention of finger joint pain 1, pay attention to joint warmth When the temperature drops, add clothing in time to avoid cold joints. In addition, try not to touch cold water, shabu-shabu with warm water is best. If you are already suffering from arthritis, you can wear knee pads to prevent recurrence. 2, often exercise the joints finger curvature: bend your fingers, use the other hand to fingertips as close as possible to the direction of the palm, and then push the entire bent finger down to the direction of the palm to stretch the dorsal side of the finger root joint. Finger strengthening: Place your hand flat on the table, move your fingers in the direction of your thumb, and use your other hand to pull your fingers in the opposite direction. This will strengthen the finger muscles.