Wound disinfection is recommended to use povidone-iodine. Povidone-iodine is a commonly used clinical disinfectant with broad-spectrum bactericidal effect, which can be used for disinfection of the skin and mucous membranes, and can also deal with less burns, abrasions, contusions, and other general traumatic injuries, with less irritation to the skin and better disinfection. Alcohol refers to ethanol, common clinical concentration of 75%, 95%, can be used for sterilization, disinfection, etc., but the irritation is greater, and easy to evaporate, suitable for complete skin disinfection, disinfection of wounds is not recommended. After the appearance of wounds should be timely disinfection treatment, better for wound healing. At the same time, observe whether there are other uncomfortable symptoms, such as pain, bleeding, etc., the emergence of uncomfortable symptoms, we must promptly seek medical treatment by a professional doctor for diagnosis and treatment.