There are still many reasons for joint pain in the middle finger of the right hand: First, if the pain in the middle finger is accompanied by pain in the joints of other fingers. If the pain is accompanied by redness, swelling, heat, morning stiffness, etc., then we should pay attention to the possibility of rheumatoid arthritis, to take blood tests to check the five items of rheumatoid arthritis, check the ultrasensitive C-reactive protein, blood sedimentation, and anti-O, etc. to understand; second, if the patient is a male, there is a lot of seafood, drink soup or drink beer and other pain, to take blood tests Third, if there is a history of trauma, just consider whether the soft tissue damage around the joints of the fingers is caused by trauma; fourth, if the patient has a long time to use the computer, cell phone or repeat a single action for a long time, it may be caused by natural damage to the cartilage of the finger joints aging; fifth, some patients are used to breaking fingers This is also a cause of chronic damage to the soft tissues around the finger joints.