The new coronavirus antigen test has a certain degree of accuracy, but because of its low sensitivity, it cannot replace nucleic acid testing and can be used as a way for people to check themselves. The new coronavirus antigen test usually produces results in 15 to 20 minutes, and it is relatively convenient and simple to carry, store and collect specimens. The new coronavirus antigen test has a certain degree of accuracy, however, due to the sensitivity is not high, there may be false-positive test results, can not replace the nucleic acid test. A person who tests positive for New Crown virus antigen should immediately notify the local epidemic prevention command for nasopharyngeal nucleic acid testing. If the diagnosis of neocollins infection is confirmed, necessary treatment measures will be taken according to their conditions and clinical manifestations.