Skin trauma without visible wounds, topical antiseptic sprays are fine. You can use povidone-iodine or tincture of iodine appropriately. If there is some trauma, epidermal trauma, and there is oozing, you can use erythromycin ointment appropriately, or use the rehabilitation of new liquid external spray. If there is obvious bleeding of the injury, the need for timely debridement treatment, generally use hydrogen peroxide after cleaning, if necessary, may be debridement suture, at the same time in the debridement also need to use some antibiotics, you can take oral cefadroxil, cefixime and so on.