&”;Willing to check yourself&”; and &”;willing to check everything&”; are the basic principles advocated by the society for nucleic acid testing for epidemic prevention after the outbreak of pneumonia in 2020, which means that those who have the intention of nucleic acid testing should consciously take the initiative to test, and those who have the intention of testing should all be tested. Its purpose is to achieve full coverage of nucleic acid detection, which embodies the party&;s &”;supreme, life supreme&”; concept of governing for the people.