According to the latest regulations for the prevention and control of the Shiyan epidemic, high-risk zones are implemented as "quickly sealed and quickly unsealed". The high-risk areas with no new infections for five consecutive days will be unsealed in a timely manner.

Shiyan is a prefecture-level city in Hubei Province, is China's truck capital, is the only regional center city in the adjoining areas of Ezhou, Henan, Shaanxi, Chongqing, is the core city of the ecological and cultural tourism circle in western Ezhou, one of the three major central cities in the Qinba Mountain area, weir has a "Sichuan-Shaanxi throat, the four provinces through the thoroughfare," the name.