Hand pain tends to be more common than hand numbness, and the types of disorders are varied and unique. Let’s talk about some of the most common types of hand pain. Tendinitis: If the pain is located in the metacarpophalangeal joint, that is, on the palm side of that part of the hand where the fingers are connected to the palm, and there is a definite pressure pain in this area, then it is usually a case of tendinitis. The onset of tenosynovitis is associated with repetitive finger movement, and in more severe cases, the phenomenon of popping or inability to straighten or flex can occur, so it is also known as popping finger or trigger finger. Han Dong, Department of Hand Surgery, Huashan Hospital, Fudan University, Fudan University, China There are three main treatments for this disease. First, conservative treatment, which reduces the flexion and extension activities of the corresponding fingers and applies hot compresses, is more effective for relatively mild patients, especially those who have not yet developed snapping fingers. The second is closed treatment, in which local steroid injections are used to reduce symptoms and can treat patients with pain or popping. Third is surgical treatment, which aims to cure the disease by cutting through the flexor tendon sheath that abrades and compresses the tendon, and is often used in patients with severe tenosynovitis that cannot be treated by other methods. Inguinitis: If the pain is located on the nail side and is accompanied by redness and swelling, then it is undoubtedly an onychomycosis. If the pain is only a swelling and not a throbbing pain with the pulse, it is relatively mild, and can usually be controlled by applying an antiseptic such as Amyl iodine. However, when throbbing pain appears, it is necessary to go to the hospital to cut and drain the pus. Osteoarthritis: If there is pain in the small joints of one or more fingers that worsens with movement, it is most likely caused by osteoarthritis. There are many types of osteoarthritis, including rheumatic and degenerative, and a series of tests are needed to determine the cause. In terms of treatment, however, there are certain commonalities. Reducing activity and applying heat are effective for either type of osteoarthritis.