It is possible to use a cell phone after a new crown confirmation. A confirmed new crown diagnosis refers to a confirmed diagnosis of novel coronavirus pneumonia. The main ways of spreading the new coronavirus pneumonia include respiratory, contact and aerosol transmission. However, it is not spread by radio signals such as cell phones, so it is possible to use cell phones after a new coronavirus diagnosis is confirmed. The use of a cell phone is a personal freedom and will not be interfered with by others. After the diagnosis of the new crown usually need to isolate the treatment, during this period can use the cell phone, but should pay attention to the disinfection of the cell phone, the same room isolation of patients should avoid exchanging cell phones, in order to prevent cross-infection. Currently, effective treatment for new crowns is still based on isolation and symptomatic supportive therapy. Healthy people should do a good job of personal protection, avoid contact with patients, and timely cooperation with the new crown vaccine. Tips] In this article, “new coronavirus pneumonia” and “new coronavirus pneumonia” have been renamed to “new coronavirus infection” on December 26, 2022, as announced by the National Health Commission.