According to the Notice of Xuzhou Epidemic Prevention and Control Headquarters on Orderly Resuming Opening of Some Places in Urban Areas (No.612022) and the Notice of Municipal Education Bureau on Orderly Resuming Offline Education and Teaching, starting from May 9, offline education and teaching will be resumed in the main urban area, tongshan district, jiawang district, grade one, grade two, grade four, grade five and grade six of primary schools, and relevant teaching staff will resume from May 7 to 6. Colleges and universities in Xu resumed offline education and teaching in an orderly manner, continued to implement campus closed management, and strictly implemented various epidemic prevention measures. Other schools (kindergartens), grades and off-campus education and training institutions at all levels continue to implement the Notice of Xuzhou Municipality on Epidemic Prevention and Control (No.9, 2022). The arrangement for resumption of classes in counties (cities) shall be promulgated and implemented by the local epidemic prevention and control headquarters according to local actual research. "