The "epidemic prevention health code" is provided by the national government service platform, which provides the public with relevant inquiry services of epidemic prevention health information by using the collected health, civil aviation, railway and other data. Services include personal epidemic prevention health information code, help inquiry of old and young health codes, daily health punching, epidemic prevention information code scanning, etc.
Tianjin, referred to as Jingu and Jinmen for short, is a provincial-level administrative region, municipality directly under the Central Government, national central city and megacity in People's Republic of China (PRC), a gateway to the opening up of northern China approved by the State Council, and a shipping center, logistics center and modern manufacturing base in northern China.