The root of the thigh is abraded, resulting in redness and pain, can be used externally with furacilin solution or ravnol solution wet compresses, to avoid further friction. If there is a breakthrough, you can use recombinant human epidermal growth factor gel after wet compresses, to promote rapid healing of the skin, pay attention to the breakthrough must avoid contact with water, so as not to lead to traumatic infections, usually need to wear loose and soft clothes and pants, to avoid friction, to avoid the local damp and sweaty, for the obese people can choose to wear four-cornered underpants, to avoid the direct contact between the skin friction. If there is erosion, oozing and so on, also need to pay attention to the possible combination of bacterial infection, can be given to furacilin solution wet compresses and then topical zinc oxide oil, after the rash is completely dry and then given a mild non-irritating moisturizing cream topical.