The antigen test is generally referred to as the Neocoronavirus antigen test and there is no such thing as not being able to eat anything before the test. It is recommended that you wash your hands and check the contents of the sample before performing the Neocoronavirus antigen test. The new coronavirus antigen test uses a nasal swab to collect a sample of the mucous membrane in the nasal cavity for testing, and generally eating will not affect the results of the new coronavirus antigen test, so it is possible to eat before the new coronavirus antigen test, and there is no such thing as not being able to eat something. It is recommended that you wash your hands with water or use hand sanitizer to disinfect your hands before the antigen test. It is also necessary to check that nasal swabs or other items are not chipped, broken, or expired before performing the nucleic acid test. Although the new coronavirus antigen test can stuff, there are no dietary contraindications. You need to read the instructions carefully before the test and follow the procedure. In addition, you need to place the Neocoronavirus Antigen Test Strips in an environment of 14~30℃ for storage.