The difference between edible alcohol and medical alcohol is that edible alcohol is formed by fermentation of food, which has less impurities and good taste and is good for human use, while medical alcohol has more impurities than edible alcohol, so it is mainly used for the role of killing viruses. Usually use 75% medical alcohol for hand disinfection, or local small area wipe disinfection, for example, you can wipe the phone or door handles and other parts, while medical alcohol because of the low ignition point, it is recommended not to spray directly for disinfection. After use, the alcohol should be placed in a cool, dry, ventilated environment to prevent the alcohol from evaporating and leading to adverse consequences.