Nucleic acid test results for children can be queried through the newly opened function of the State Council’s client applet to assist in checking for the elderly and the young. The State Council client applet supports the query of nucleic acid test results and serum-specific IgG antibody test results within 7 days for people under 18 years of age and over 60 years of age, and the data are reported by the relevant departments around the world. Parents can first open WeChat and search for the small program State Council client. Then open the page of the new coronavirus nucleic acid or antibody test results query, and log in to verify. It should be noted that the operator’s own information must be used to log in and authorize. Finally, click on the old and young to help check, enter the child’s name and ID number, and you can check with one click.