Alcohol spray can be sprayed at home for disinfection, but the application must also pay attention to the application of alcohol needs to choose to apply 75% alcohol, and not to choose other degrees or other industrial alcohol. Because the alcohol contained in industrial alcohol is not very pure, and also contains certain impurities and toxic substances, such as methanol. In addition, when applying alcohol, it should be noted that alcohol is flammable, and there have been many cases of fires caused by the application of alcohol disinfection, so try to avoid contact with fire sources. It should also be kept in a cool and light-proof place to avoid evaporation, and should be kept out of reach of children to avoid unnecessary incidents.