Sudden pain in the hand joints of young people may be caused by overstrain, or it may be caused by rheumatoid arthritis, osteoarthritis, tenosynovitis, trauma and so on. 1. Overstrain: long-term maintenance of a hand movement labor, will lead to chronic strain on the joints of the hand, the joints of the hand, such as hyperplasia, edema and other changes, thus causing sudden pain in the joints of the hand symptoms. 2. Rheumatoid arthritis: living in a cold environment for a long time or suffering from infections can lead to aseptic inflammation of the joints, which can lead to the phenomenon of hand joint pain. 3. Osteoarthritis: Overexertion or cold weather, joint injuries and other factors can lead to joint injuries, resulting in swelling, deformity, stiffness, pain and other uncomfortable symptoms. 4. Tenosynovitis: long-term activities with the thumb can lead to edema, oozing and other aseptic inflammation of the tendon sheath tissue, which can cause pain in the joints of the hand. 5. Trauma: the hand in the process of activity suffered external collision or cut, will lead to hand joints and the surrounding soft tissue injury caused by hand joint swelling, pain symptoms. In order to relieve hand joint pain in young people as soon as possible, it is recommended to go to the hospital in time and have professional treatment.