The protruding bone of the right middle finger is mostly considered to be caused by traumatic factors, rheumatoid arthritis and other reasons. For different causes of herniated bones in the right middle finger, the treatment program can include general treatment and drug treatment according to the cause of the disease. 1. Traumatic factors: due to traumatic factors, this phenomenon is mostly caused by acute injury to the bone and joint capsule ligament damage, manifested by the protruding bone of the middle finger. Generally speaking, it can be treated with plaster fixation according to the doctor’s instruction. 2. Rheumatoid arthritis: rheumatoid arthritis is mainly associated with articular cartilage slippage lesions in the early stage, which will lead to corresponding osteoarthritis in the later stage, thus causing this phenomenon. Anti-rheumatic drugs can be used for treatment, such as methotrexate and elamectin. If the patient’s right middle finger bone protrudes, should go to the local hospital in time, early detection of the problem and early treatment, so as not to delay the condition.