Antigen detection kits at present mainly refer to the new coronavirus antigen detection kits, at present the state has approved more than ten kinds of antigen self-test kits. There are more than ten kinds of antigen self-testing kits approved by the state, which are categorized according to the testing methods of the kits, mainly divided into colloidal gold method, latex method, fluorescence immunochromatography method, and each kind of antigen self-testing kits has different sensitivity and specificity. Antigen self-test kit test is mainly through the pharyngeal swabs, nasal swabs for detection, but antigen self-test can only be used as a complementary means of nucleic acid testing, the test has a high sensitivity and specificity, but there is still a false-positive or false-negative may be, if the results of the results of the abnormal need to be analyzed in conjunction with the results of the nucleic acid test. When receiving the antigen self-test kit for testing, be sure to follow the instructions, if there are adverse reactions after the test, you need to consult with your doctor for professional advice and treatment in a timely manner.