The most common causes of pain in the middle finger of the left hand are generally the following: First, the finger pain caused by gout is mostly seen in patients who have long been eating seafood, animal offal, beer and other foods containing more purine components. At this time, the patient’s body will have abnormal purine metabolism, a large amount of uric acid deposited in the end of the finger joints, causing significant swelling and pain. Patients can through the local external application of Xuanming powder plus ice chips, oral allopurinol and other drugs, reduce the content of uric acid in the body, can effectively relieve the left finger pain. Second, the left hand middle finger was traumatized, resulting in localized fractures can also cause significant swelling and pain. General use of drugs can not completely relieve the patient’s severe pain, the patient needs to improve the X-ray examination as soon as possible, if necessary, need to perform surgery to relieve the pain of the left middle finger.