heishan county, Jinzhou, Liaoning province was unsealed on September 24th, 2122. The purpose of unblocking is to resume work and production, not to relax the prevention and control, not to visit relatives and friends, but to coordinate the prevention and control of epidemic situation and economic development. Faye Ting, secretary of the county party committee, inspected the epidemic prevention and control work in key places in urban and rural areas, demanded that the "four-party responsibility" should be strictly implemented, supervision should be further strengthened, and market players should be urged to check the negative reports of 48-hour nucleic acid testing, eliminate potential risks and build an epidemic prevention barrier.