Recently, Wuhan’s first COVID-19 antigen self-testing product was approved by the State Food and Drug Administration for marketing. The COVID-19 antigen test kit developed by Mingde Biotech is easy to operate, and the results can be obtained in 15 minutes, which can be self-tested at home. What is the operating experience and effect of the kit? What precautions? Is nasopharyngeal sampling necessary? Reporter’s Early Access to Reveal! (Main creators Zhan Siliu, Gao Wenju, Xiong Lu, and Zheng Hui)