How to prevent the new coronavirus pneumonia: 1, we should avoid contact with infectious sources, such as suspected or confirmed patients, such as people from the infected area, people from abroad to the domestic crowd, people with respiratory symptoms, etc. 2, cut off the means of transmission, the new coronavirus infections is the means of transmission of droplets. The most effective way to cut off the transmission pathway is to wear a mask when going out and avoid going to places where people gather.3. Increase one’s immunity, for example, pay attention to rest, avoid getting cold, drink more water and eat more fresh vegetables and fruits. If patients have decreased immune function, they can consider taking oral tablet granules, transfer factor oral solution, pidomod oral solution and so on. At the same time, we should avoid going to places where people gather such as movie theaters and swimming pools.