1. Function: Sanjintong APP is a government service platform in Shanxi Province, which provides government service functions such as online declaration, online processing, payment and inquiry. Jin Changxing is an upgraded version of Shanxi Health Code, which is an aggregation card with location code, health code, travel card, nucleic acid and vaccine information on the screen.
2. Use: Three ordinary apps provide various government services, such as handling documents and paying fees. The staff of the convenience office in Ou Changxing will check the health status of the people entering the venue to improve the traffic efficiency.