New Crown refers to novel coronavirus pneumonia, and patients are usually allowed to be near family members after conversion, but appropriate isolation is recommended. The main modes of transmission of novel coronavirus pneumonia are droplet transmission and close contact, and infection can also be triggered by contact with virus-infected objects, and can even be spread through aerosols in confined spaces. After the patient’s condition has become negative, it means that the patient has been cured, but there is still a risk that most of the patients with novel coronavirus pneumonia need to be properly isolated to avoid transmission to their family members after they have been cured. At the same time, patients with novel coronavirus pneumonia should disinfect or replace their household items in a timely manner, and pay more attention to indoor disinfection and cleaning. When the patient is properly isolated and there is no clear abnormality, he/she can have normal contact with his/her family. Tips] The terms “new coronavirus pneumonia” and “new coronavirus pneumonia” mentioned in this article have been renamed to “new coronavirus infection” on December 26, 2022, as announced by the National Health Commission.