It is possible for neocoronavirus to recover spontaneously, but it may also progress and worsen gradually; therefore, standardized treatment and close observation under the guidance of a doctor are required. New Crown is the abbreviation of new coronavirus pneumonia. In mild cases, it may only involve the upper respiratory tract, with symptoms such as runny nose and sneezing. Sometimes the disease may recover on its own through its own immunity. However, the new crown can also progress gradually, and can even lead to serious pneumonia, causing respiratory failure and other complications, and even life-threatening. Therefore, in the face of the new crown is not recommended to blindly wait, but the need for strict isolation under the guidance of the doctor, closely observe the changes in the condition, and timely treatment, in order to prevent serious complications. [Tip] This article refers to the “new crown pneumonia, new coronavirus pneumonia”, etc., has been December 26, 2022, the National Health Commission issued a notice renamed “new coronavirus infection”.