Early treatment of closed soft tissue injuries, generally speaking, because soft tissue injuries are closed and not broken, usually results in local soft tissue capillary contusions that can lead to local soft tissue hemorrhage and exudate. At this point, cold compresses or simple aerosol application of Yunnan Baiyao is usually needed to make the local injured soft tissue microvascular or capillary constriction, so as to achieve the purpose of hemostasis and prevent further expansion of hematoma and exudate or increase of exudate. At this time can not use hot compresses or physical therapy, accelerated blood circulation will lead to increased bleeding of the injury, increased exudate, and in serious cases, even the formation of abscesses. Therefore, the early treatment of closed soft tissue injury is generally within 24-48 hours, mainly using cold compresses to reduce the symptoms of swelling.