OBJECTIVES: Repeated outbreaks of small-intensity epidemics are one of the important features of the post-epidemic era. After a new round of epidemics broke out in Liaoning in mid-May 2021, the Chinese government's vaccination process quickly accelerated, completing nearly 100 million doses of COVID-19 vaccination within 7 days. How is this efficient policy implementation process accomplished? What is the behavioral logic behind it? METHODS: This article constructs an analysis framework of "perception-goal-tool". Trying to study the individual's micro-psychological mechanism as a starting poin...