If the skin surface of the body is bruised and purple due to bump, first of all, within 24-48 hours, you can consider the use of ice, cold compresses, you can use ice, chilled mineral water, wrapped towels or gauze on the local bruises, which is conducive to capillary constriction, reduce the bleeding of local capillary rupture, and reduce the degree of swelling. In addition, after 48 hours, you can also take hot compresses, microwave physiotherapy, infrared therapy, which can promote local blood circulation, accelerate blood flow, reduce tissue edema, more conducive to the disappearance of swelling. Therefore, the phenomenon of touching purple on the body must be combined with their own conditions, the corresponding symptomatic treatment. If there is bruising purple, and accompanied by obvious hematoma, this situation can also take the local pressure way to carry out, so as not to expand the hematoma affect the skin healing process.