Finger swelling and pain may be caused by physiological factors, arthritis, infection and inflammation, trauma, finger swelling and other reasons. 1. Physiological factors: long time pressure on the fingers, women in the middle and late stages of pregnancy, women’s menopause caused by ovarian hypogonadism and other causes of finger swelling and pain. 2. Arthritis: rheumatoid arthritis, gouty arthritis and other diseases can appear finger swelling and pain. 3. Infection and inflammation: localized infection of the finger, triggering purulent dactylitis, acute purulent tenosynovitis, etc. can lead to finger swelling and pain. 4. Trauma: the finger is squeezed, smashed, sprained by external forces, resulting in local soft tissue injuries caused by swelling and pain. 5. Finger swelling: for example, when the finger grows a chondroma, tendon sheath cyst, etc., the tumor invades or presses the finger, resulting in finger swelling and pain. Finger swelling and pain involves more reasons, it is recommended to consult a doctor in time to find out the cause and follow the doctor’s instructions for treatment.