The pain in the middle finger joint needs to be treated for different causes, which can cause pain in the middle finger mainly caused by trauma, arthritis, constrictive tenosynovitis and so on, which can be treated by rest, physical therapy, and medication or even hand surgery. 1. Trauma: If the pain in the middle finger joint is caused by trauma, it can be fixed by resting and using finger bone splints. If the pain is obvious, you can take anti-inflammatory and analgesic drugs to relieve the pain, such as nimesulide, diclofenac sodium and so on. 2. Arthritis: If the pain in the middle finger joint is caused by degenerative arthritis, rheumatism, rheumatoid arthritis, gouty arthritis, etc., and if the pain is severe, non-steroidal anti-inflammatory drugs, such as Loxoprofen, can be taken for treatment. Meanwhile, if it is accompanied by joint deformation and limitation of activity, surgical treatment such as interphalangeal joint replacement can also be chosen. 3. Narrowing tenosynovitis: If the pain in the middle finger joint is caused by narrowing tenosynovitis of the flexor tendon, it is necessary to pay attention to reducing manual activities, and in the early stage, it can be treated by hot compresses and massages, and if the lesion is longer, it can also be treated by tendon sheath incision through surgery. If there are symptoms of pain in the middle finger joints, it is recommended that the patient go to the hospital, improve the examination and then targeted treatment.