An epidemic has made masks, alcohol and disinfectant the most fashionable items in early 2020, and with the three essential pieces for epidemic prevention, you can go out further without fear. However, improper use of alcohol instead of the risk of fire. Do you know how to use alcohol correctly? Today, here to teach you how to properly use alcohol for disinfection. Alcohol at 75% can effectively inactivate viruses. Alcohol molecules penetrate the membrane on the surface of bacteria and penetrate into the interior of the bacteria to solidify the proteins that form the basis of bacterial life. 70%-75% alcohol is the most effective, but because of its flammable and volatile chemical properties, alcohol is at risk of combustion and explosion when heated or exposed to open flame. When we use alcohol, we must first observe the surrounding environment, clear the surrounding combustible materials, and to open windows and ventilation. It should not be sprayed directly in the air or on clothing, as it is easy to burn when exposed to open flames or static electricity. We can directly wipe the door handle, desktop elevator buttons and other object surfaces for disinfection. Phone calls, smoking, the use of electric mosquito racket and other acts, in the spraying of high-density alcohol can not be carried out immediately after. Home should not store a large amount of alcohol, home alcohol only need to go to the drugstore to buy 300-500ml vials, enough to use on the line. And we should also pay attention to the alcohol should be stored away from light to prevent dumping and breakage. The best container for alcohol is a sealed plastic bottle with a lid, so that it is not easy to fall and break. Alcohol concentration choose 75% medical alcohol, if you buy alcohol concentration of 90%, dilute according to the instructions before use. Alcohol is a dangerous item, should be stored in a place where children can not reach, it is best to do a good job on the bottle of alcohol marked to remind themselves and their families. If alcohol is accidentally ignited, there is no need to panic; first use a dampened towel or sheet to lay on the fire and then drench it with water to extinguish it. Use proper disinfection methods during the fight against an outbreak. If we all pay attention to prevention and control, we will be able to beat the epidemic.