What does Huizhou Teachers' and Students' Health Card mean?

Details of daily health status of teachers and students. When students return to school and crowds gather, every student needs personal epidemic prevention protection. The school will issue health cards to each student in advance. Seven days before returning to school, students should pay close attention to their own health and fill out health cards truthfully every day. When returning to school, the student's Yuekang code was "Green Code", and the temperature measured at the scene was lower than 37.3℃. Only when the health certificate is complete and there is nothing unusual can you enter the campus.