The Neocoronavirus Antigen Screen is a do-it-yourself test that is detected by an antigen and antibody binding reaction on a test strip. The Neocoronavirus antigen test is a do-it-yourself test that determines whether or not you are infected with Neocoronavirus pneumonia by the binding reaction of antigen and antibody. If the result is two bars, it suggests a positive result, and if the result is still one bar, it suggests a negative result. However, it is important to note that the antigen-antibody reaction can be false positive due to the presence of some interference, so the specificity is not 100%. For those who test positive for antigen, regardless of whether they have respiratory or fever symptoms, they need to report immediately to their community, which will contact the emergency center and transfer the resident to a medical institution with a fever clinic for nucleic acid testing. If the antigen test is negative, asymptomatic residents can be closely observed. However, if they have symptoms, they also need to go to the healthcare facility where the fever clinic is set up in a timely manner for nucleic acid testing to avoid false-negative cases. The new crown antigen screening is detected on test strips and is easy to operate. Tip: In this article, “new coronavirus pneumonia” and “new coronavirus pneumonia” were renamed to “new coronavirus infection” on December 26, 2022, as announced by the National Health Commission.