During the new coronavirus epidemic, some people will wear masks at home to “prevent infection”. In fact, whether or not to wear a mask at home, the specific situation should be analyzed: 1, the general public stay at home does not need to wear a mask. 2019 new coronavirus mainly through droplet transmission, if there is no close contact with the source of infection may not need to wear a mask protection; 2, if there is a home quite in the personnel under medical observation, or new pneumonia patients, it is recommended to wear a mask to avoid close contact 3.When people with unknown health status come to your home, you can wear a mask for protection; 4.Daily home prevention is based on cleanliness, maintaining good hygiene habits, not sharing towels, and opening more windows for ventilation. If you feel feverish, you should take your temperature in time.