Swelling and pain in the blood vessels of the hand may be due to: inflammation of the superficial veins of the local blood vessels, local over-exertion, low immunity of the blood vessels and other causes, which can be treated with medication, hot compresses or physiotherapy. 1. Phlebitis: frequent infusion or acupuncture in one part, the irritation of liquid medicine or acupuncture on blood vessels can cause superficial vein inflammation, resulting in swelling and pain of blood vessels in the hand. Treatment: replacement of blood vessels infusion, topical drug mucopolysaccharide polysulfate ointment or heparin sodium ointment for local application, wet dressing magnesium sulfate gauze, physical therapy and other methods to relieve pain and promote inflammation absorption. 2. Excessive localized force on the hand: Suddenly stimulated by external force, resulting in swelling and pain of the blood vessels in the hand. Towel hot compresses or physical therapy can be used to relieve the swelling and pain. 3. Vascular immunity: may also appear hand blood vessel swelling pain, pay attention to rest, strengthen nutrition, can take ibuprofen, diclofenac sodium and other painkillers treatment. The specific cause is recommended to go to the hospital, the doctor to make a diagnosis, follow the doctor’s instructions for treatment.