According to relevant information, Liaoning postponed the start of school because of the epidemic. On August 29th, 2022, Dalian Education Bureau and Shenyang Education Bureau issued a notice. After research, it was decided that due to the epidemic situation, primary and secondary schools (including secondary vocational schools) in the city will be closed in the fall semester of 2022, and online teaching will be implemented from September 1 day; Kindergarten and off-campus training institutions suspend offline teaching activities, and the specific time for returning to school and resuming offline teaching activities is determined according to the epidemic prevention and control situation in the city. Teachers work from home and teach online.