Protective measures to prevent new coronavirus infections are as follows: 1. wear a mask to block the transmission of the virus, to choose commercially available masks for coronavirus protection, such as disposable medical masks, surgical masks, N95 and N90 masks. 2. wear gloves, usually hands should not be exposed to the outside or direct contact with commonly used transportation, such as bus handles, elevator buttons. 3. maintain a certain distance from outsiders, especially when talking with outsiders to keep a distance of 1-1.5m. 4. Especially when talking with outsiders to maintain a distance of 1-1.5m. 4, wear goggles, because the coronavirus may be suspended in the air to form aerosols, although able to settle, but also can infect the human skin mucosa, such as the eyes. 5, effective disinfection of clothing, such as clothes often worn outside, come back to spray a certain concentration of 75% alcohol, a small amount of spray. 6, disinfection of the air at home, there are If there is no ultraviolet light, you can disinfect the air with chlorine disinfectant (such as 84 disinfectant) and other common disinfectants. 7, do not eat raw food, such as milk and meat must be cooked and disinfected. 8, do not gather in crowded places, do not buy food daily in markets with live poultry or during the peak season. In short, coronavirus is transmitted by air and respiratory tract. Only by protecting yourself and blocking any transmission route can you stay away from coronavirus infection.