Common skin abrasions are on the palms of the hands, elbows, knees, calves, feet, etc. The skin epidermis will be broken, the wound has blood and tissue fluid exuding, the wound is very small, only need iodophor disinfection to protect the wound, no need to use ointment. If the abrasion wound is deeper and there is infection, you can apply some antibiotics in the wound, such as erythromycin ointment, etc. The first thing to do after a skin abrasion is to clean the wound, rinse it with saline, or if there is no saline you can use tap water, well water to clean the sludge and dust from the wound. Then disinfect the wound with iodine volts, dipped by a clean cotton swab and wipe from the inside to the outer edge, do not touch the wound directly to avoid severe pain sensation. After disinfection, cover the wound with sterile gauze. If the abrasion is deep, the wound can be wrapped with sterile gauze and the wrap should not be too tight. If the abrasion is not serious and the wound is relatively shallow or small, you can apply medicine and then expose the wound directly, which is more conducive to wound healing. Daily attention to the abrasion site do not get wet, keep the wound surface dry and clean, the abrasion is located in the joint parts to rest properly, reduce joint activities.