Trauma patients will show obvious local swelling, pain, in the acute phase of the injury within 72 hours, you can choose ice or cold compresses, so that vasoconstriction to reduce the symptoms of swelling, if after 72 hours you can choose hot compresses, to promote local venous blood circulation to play a role in reducing swelling. At the same time, the affected side of the limb should be elevated, the application of drugs to improve microcirculation, commonly used are compound danshen injection, but also the application of drugs to prevent infection, to reduce the complications brought about by localized swelling. If the swelling gradually subsides within 1-2 weeks of the injury, functional exercises can be chosen to promote local venous blood return. If venous thrombosis of the limb occurs, symptomatic treatment such as anticoagulation and expulsion of aggregates should be carried out in time, and we should be alert to the occurrence of complications such as fatal pulmonary embolism caused by dislodgment of thrombus, and monitor the changes of coagulation indexes on a regular basis.