Middle finger joint pain may be due to rheumatoid arthritis, but in addition to this, it can also be seen in gouty arthritis, trauma, strain and so on. 1. Rheumatoid arthritis: Rheumatoid arthritis may cause pain, swelling and morning stiffness in the finger joints. 2. Gouty arthritis: Gouty arthritis may involve the joints of fingers, ankles, wrists, knees and other joints, which may lead to redness, swelling and pain in the finger joints. 3. Trauma: If the patient’s middle finger joints suffer from trauma, such as finger fracture or soft tissue contusion in the affected area, it will lead to pain in the middle finger joints. 4. Strain: If the patient is engaged in long-term physical labor or hand activities, the finger joints will be damaged due to long-term strain, resulting in tendonitis or osteophytes and other causes of finger joint pain. Middle finger joint pain may also be caused by other factors, it is recommended that patients promptly to the orthopedics, rheumatology and immunology department of the regular hospital, follow the doctor’s instructions for standardized diagnosis and treatment.