The novel coronavirus epidemic has swept the world, and a group of right and wrong experts, together with a number of scholars and experts, have dismantled the "right and wrong of fighting the epidemic" to the audience! The whole city is rushing to buy masks, and you must wear them well, how to wear them correctly? Can masks be tested and manufactured by themselves? Cleaning and disinfection products that are difficult to get on the market will teach you to DIY at home. The virus is hidden around, toilets, elevator buttons, door handles, mobile phones, keyboards, and clothes contain excessive bacteria at any time, how should they be cleaned? As a master of right and wrong, of course, we must clearly debate the fallacy of fighting the epidemic, improve the public's awareness and knowledge of epidemic prevention, and jointly resist the epidemic!