If the wound is only mildly abrasive, apply topical iodophor or disinfect with iodine and then deiodize with alcohol and wait for the wound to heal. If there is mild local bleeding, you can apply Yunnan Baiyao powder and go to the hospital for surgery or emergency department to change the medication and clean the wound if necessary. If there is not much local bleeding, you can also apply topical medications such as Pepto Bismal. However, if the local infection is serious, it needs to be disinfected with hydrogen peroxide under the guidance of a doctor to remove the infected and necrotic tissues before treatment. When the local contamination is more serious, you also need to play tetanus antitoxin or human immunoglobulin tetanus for treatment. In short, if there is a local injury, try not to deal with it by yourself, it is best to go to the hospital first for consultation and treatment to prevent delays.