Osteoarthritis refers to osteoarthritis that occurs in the metacarpophalangeal joints, and its treatment can be categorized into conservative treatment and surgical treatment. Osteoarthritis is most common in hip joints, knee joints and other joints with large activities and heavy loads, and metacarpophalangeal joints also have a certain degree of possibility of osteoarthritis, which is mainly characterized by degeneration of articular cartilage and secondary bone hyperplasia. 1. Conservative treatment: appropriately reduce the activities of the affected finger, use of drugs to nourish the cartilage, such as bisacodyl to nourish the cartilage, if the pain of the finger is more obvious, you can take non-steroidal anti-inflammatory drugs, such as diclofenac sodium delayed-release tablets for anti-inflammatory and pain relief. 2. Surgery: If the pain in the finger is not significantly reduced after conservative treatment, which seriously affects the daily work and life, surgery can be taken, such as arthroplasty. After the occurrence of finger pain, stiffness and other symptoms, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor’s diagnosis and treatment.