Swelling of fingers after exercise may be caused by poor blood circulation, which is usually relieved after rest, and may also be caused with soft tissue injuries and other factors, which can be treated by general treatment, medication (e.g., penicillin sodium), surgical treatment and other means. 1. Poor blood circulation: the process of exercise can lead to capillary expansion of the hand, increased permeability of blood vessels, tissue fluid leakage, resulting in swelling of the fingers, but after rest can be gradually deflated, you can raise the arm to promote venous return. 2. Soft tissue injury: injury to soft tissue during exercise can lead to symptoms of localized swelling. You can apply cold compresses to reduce finger congestion, brake the affected limb, which is conducive to relieving the symptoms of swelling; disinfection of skin damage, serious cases can be prophylactic use of antibiotics, commonly used drugs such as penicillin sodium, ceftriaxone sodium, etc.; bleeding is serious when you need to ligate the blood vessels, and then clear and suture. Finger swelling after exercise can be diagnosed to identify the cause of the disease, and then relevant treatment. The use of drugs need to follow the doctor’s instructions.