There are two main reasons for pain in the bones of the index finger: first, it is due to traumatic stimulation of the bones of the index finger, such as violent collisions and excessive force from lifting and carrying heavy objects, which may lead to fractures, bone fractures and bone contusions in the bones of the index finger, and may also lead to attachment points of soft tissues such as muscles, tendons and ligaments above the bones. Strains or strains can cause significant local stimulation of the peripheral nerves, which can lead to painful sensations in the bones of the index finger. Second, due to the formation of chondritis in the joints of the index finger, such as the formation of osteoarthritis and traumatic arthritis after a long time, degeneration of articular cartilage, bone hyperplasia and calcification, joint enlargement and deformity, will feel the pain of the bones of the index finger, and the infection of the bone in the parenchyma, such as osteomyelitis, will also appear painful symptoms.