Right hand swelling clinically generally has the following common causes: a. Patients in the process of infusion, the sudden emergence of right hand swelling, at this time, mostly consider the leakage of infusion, a large amount of liquid into the tissue interstices, can cause local swelling. At this time, by replacing the infusion site, the swollen part of the external application of 50% magnesium sulfate, can play a better effect of swelling. Second, the patient’s right hand after trauma, can cause local soft tissue damage resulting in swelling. At this time, the patient can be accompanied by obvious pain or activity disorder, and if necessary, improve the hand X-ray examination to clarify the changes with or without fracture. Third, local thrombosis, blood flow back to the hand will be obstructed, causing finger swelling, can promote local thrombosis dissolution by oral warfarin, Bolivar and other drugs to reduce the swelling of the right hand.