If there is no obvious hematoma formation, simple local subcutaneous soft tissue bruising, within 72 hours of injury, you can choose the method of cold compress. The application of towels wrapped in ice to the injured area, local cooling can also inhibit the expansion of the bruising, but also have auxiliary pain relief effect. Injuries to the limb also require the application of elastic bandages with local pressure, while the affected limb can also be elevated, after 72 hours of injury, the condition of local bruising is basically stable, so in this period you can choose the method of hot compress, can improve microcirculation, can also promote the recovery of the condition. If the patient has obvious pain, pain relief medicine can be given appropriately to prevent infection.