Rheumatoid arthritis, trauma, degenerative arthritis, etc. can make the finger joints swollen and unable to make a fist, according to the cause of the disease can be given physical, drug and surgical treatment. 1. Rheumatoid arthritis: it is a kind of systemic autoimmune disease, which is mainly manifested by swelling and stiffness of finger joints. It can be treated with drugs such as ibuprofen to relieve the symptoms, and in serious cases, surgery such as osteotomy can be performed. 2. Trauma: being smashed by objects can make the soft tissue around the finger joints damaged and the joints of the fingers swollen, you can apply cold compresses within 72 hours of the injury, and hot compresses after 72 hours, and at the same time, you can take acetaminophen and other drugs orally. If there is a serious fracture, surgical treatment such as internal fixation of the fracture is needed. 3. Degenerative arthritis: Degeneration of cartilage in the finger joints can lead to joint swelling. Early physical therapy such as heat therapy, medication such as celecoxib, or intra-articular injection such as sodium hyaluronate can be given. In case of deformity of finger joints and limitation of movement, surgical treatment such as arthrocentesis and osteotomy can be performed. Swelling of finger joints may also have other causes, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment. All of the above drugs should be applied under the guidance of a physician, and should not be used without authorization.