New crown is the new coronavirus, 75% alcohol can kill the new coronavirus. The new coronavirus has a protein envelope, and 75% alcohol can denature the protein, and alcohol kills the virus by destroying the protein of the virus. For indoor surfaces, you can choose the above disinfectant to wipe and disinfect. Since alcohol is irritating and can be irritating if it is used on the skin, try not to touch broken skin with alcohol. Patients who are allergic to alcohol should also try to avoid using alcohol to prevent the new coronavirus. In addition, the novel coronavirus is also intolerant to ester solvents such as ether, peroxyacetic acid-containing, chloroform, and chlorine disinfectants, which can effectively inactivate the virus. It is recommended to actively vaccinate against the new coronavirus, take good personal protection measures, try not to go to places where people gather, wash your hands frequently before and after meals, maintain indoor air circulation, and exercise appropriately to strengthen the body’s immunity. If fever, dry cough and other symptoms occur, you should go to the hospital in time to avoid affecting your health.