Alcohol consumed at home cannot be used for disinfection. The concentration of alcohol used for clinical disinfection is usually 75%, and only 75% of the concentration of alcohol can play a role in killing bacteria, thus achieving the purpose of disinfection. The alcohol usually drunk at home is usually edible alcohol, the concentration of which is usually around 40-50 degrees, which does not kill most of the bacteria and does not achieve the purpose of disinfection, so the alcohol drunk at home cannot be used for disinfection. It is usually not recommended to use drinkable alcohol for wound disinfection, because the main components of drinking alcohol, in addition to ethanol, also contains sugar and other nutrients, disinfection of the wound because the wine may be stored in the wound, internal nutrients can lead to rapid growth and reproduction of bacteria that have not been killed, easy to cause wound infection, inflammation.