A big bag on the head fall, usually after a local soft tissue contusion, resulting in the rupture of capillaries under the skin bleeding, early must use cold compresses or ice, can shrink the bleeding capillaries, thereby preventing further aggravation of swelling, but also the role of pain relief. After 24-48 hours of injury, you can do local hot compresses, which can promote local blood circulation and speed up the decreasing of swelling, as well as physical therapy, such as infrared therapy, microwave therapy or ultrashort wave therapy, which can promote local blood circulation and speed up the further dissipation of hematoma. If the head fall is more serious, the violence at the time is relatively large, must exclude whether there is a fracture or intracranial injury, this situation must go to the hospital to do cranial CT examination to exclude. If there is dizziness, headache, nausea, vomiting, serious mental abnormalities, coma, etc., highly suspicious of cranio-cerebral injury, must immediately go to the hospital for further treatment.