1. Generation of screening QR code: After citizens register their real names, they will generate their own nucleic acid screening QR code and support and assist their families to do it for them.
2. Multi-code display on the same screen: four codes, such as nucleic acid test result, health code, vaccination status and travel code, are displayed on the same screen, which can display information related to the epidemic situation on one screen.
3. Marking of common screening points: The map marks the locations of nearby large-scale screening sampling points and normalized detection sampling points, and citizens can set common collection points by themselves.
4. Reporting the reasons for not screening: The citizens report the reasons for not participating in the screening, and the data will be automatically synchronized to the "Tianjin Nucleic Acid Detection Data Service Platform" to improve the efficiency of community investigation.