A sudden swelling and pain in the fingertips to consider infection, gout, ligament injury, for the cause of the drug treatment, physical therapy, surgical treatment. 1. Infection: purulent dactylitis or inguinitis localized redness, swelling and pain, can be applied under the guidance of the doctor anti-inflammatory drugs such as cephalosporin capsules, cefuroxime tablets and other cephalosporin antibiotics, if the local fluctuation is obvious incision and drainage of pus. Take red light treatment. 2. Gout: may be caused by acute gout attack, need to be combined with the history and laboratory tests to clarify the application of uric acid-lowering drugs such as febuxostat or allopurinol, local ice packs. 3. Ligament injury: if it occurs in the contusion, strain and other acute trauma, localized finger swelling and pain, activity restriction may be ligament rupture, clear after the finger splint fixation or surgical repair. A finger suddenly swollen and painful causes more, can not be blindly dealt with, it is best to go to the hospital to check a clear diagnosis, and then targeted treatment.