Three times. May 1 to June 28, 2021, December 23, 2021 to February 24, 2022, and April 14 to April 25, 2022. The Qinghai Provincial Government has adopted strict blockade measures in order to achieve epidemic control goals in a short period of time. The government announced a series of blockade measures, including the implementation of a province-wide lockdown. Except for a few essential activities, people in the province are not allowed to travel; entry and exit ports are closed; All kinds of social activities are suspended; schools and large gatherings are prohibited.