Summary: large-scale adjustment of the epidemic policy, over-prevalence of the peak period of infection, and introduction of policies of economic activity. A series of changes at the end of 2022 are taking new imagination space in 2023. Significant adjustments in the epidemic policy, the prevalence of infection and the introduction of policies of economic activity. A series of changes at the end of 2022 are taking new imagination space in 2023. We can see clearly that a curtain boom is taking...