If the patient is infected with the new coronavirus again after being cured of the new coronavirus pneumonia, the virus will return to the positive level. If the patient’s own resistance is weak and he/she does not take good protective measures, he/she will easily be infected with the new coronavirus again and the virus will return to the positive side; if the patient’s own immunity is strong and he/she takes good protective measures, the chance of being infected with the new coronavirus again is very small, and the virus will not return to the positive side easily. After the new coronavirus pneumonia cure, must do a good job of protective measures, pay attention to hygiene, wash hands, open windows and ventilation, less crowded places, necessary to go out wearing a good mask and gloves, appropriate increase in physical exercise, enhance the body’s resistance. [Tip] This article refers to the “new coronary pneumonia, new coronary virus pneumonia”, etc., has been December 26, 2022, the National Health Commission issued a notice to change the name to “new coronary virus infection”.