Fall injuries can lead to local tissue swelling, pain, and even the symptoms of subcutaneous bruising, so in the absence of trauma, bleeding, skin breakage, within 24 hours of the fall injury should be cold compresses, cold compresses are best to use ice-water mixture, you can go to the drugstore to buy ice packs intermittent cold compresses, pay attention to prevent frostbite. Because in the early stage of the fall, the local subcutaneous capillary rupture bleeding, resulting in local bruising, swelling, should be cold compresses, can contract the local capillaries, so that capillary bleeding to reduce the local bruising, swelling symptoms. After 48 hours after the injury, if the symptoms of swelling and bruising have been stabilized, moderate hot compresses can be applied.