Health code is a personal two-dimensional code based on actual real data, which is generated by citizens or returned students through online declaration and background audit. As an individual entering and leaving electronic certificate locally, the QR code can be declared once, which is universal in the whole city.
Travel code is a communication big data travel card, which is a free inquiry service for 654.38+06 billion mobile phone users in China, based on the data received by China Xintong Institute, China Telecom, China Mobile and China Unicom through the location of the base station where the user's mobile phone is located. Mobile phone users can query all the city information they have visited in the previous 654.38+04 days through this service.
During the epidemic period, the teaching staff are required to provide two yards and two certificates before entering the park, and teaching activities can be carried out only if there is no abnormality. The Summary of Pre-school Health Screening for Teachers and Staff designed by the kindergarten was signed at all levels, and every item was not missed, which was highly recognized by the inspection team.