The public can use 75% alcohol for disinfection and prevention during the current novel coronavirus epidemic. To avoid fires when using 75% alcohol for disinfection, avoid contact with open flames when wiping with alcohol. Alcohol spraying is also not recommended because if an open flame is used while spraying alcohol or if small sparks are generated by switching on and off appliances, a fire may result. Therefore, the use of alcohol should pay attention to the following matters: 1, the use of formal, concentration of medical alcohol disinfection requirements; 2, disinfection of alcohol can not be used in the form of spraying, should be used to wipe the way. Local wiping of the necessary object surface can play a certain protective effect. Content source: Dr. You Lai