Haikou City, Hainan Province started school in February 12. As of February 16, 2023, according to the Calendar of Full-time Primary and Secondary Schools in Hainan Province from 2022 to 2023 issued by the Education Department of Hainan Province, it is clear that the start time of primary and secondary schools is February 12 and February 13, when primary and secondary schools are registered and officially started. Hainan Provincial Department of Education requires all schools to organize teachers and students to conduct health self-test for seven consecutive days before the start of school, and continue to carry out health monitoring one week after the start of school.