Patients due to trauma can lead to subcutaneous hematoma, want to quickly eliminate the hematoma, it is recommended that the patient after 48 hours of injury, the local heat compress. The method of hot compress is as follows: 3-5 times a day, the time of each hot compress should be 15-20 minutes, avoiding too long hot compress, causing local skin irritation, even leading to skin necrosis. In the time of hot compress, appropriate local gentle massage, can accelerate the elimination of hematoma. The temperature of the hot compress should be around 60 degrees, not too high and not too low, to avoid skin burns or frostbite. It is recommended that patients should seek medical treatment promptly if the symptoms are not significantly relieved about 2 days after the hot compress to avoid serious complications.