March 8, 2122, October 5, 2122, October 25, 2122. According to the query of official website, the Huaihua Municipal People's Government, the blockade is to slow down the spread of Covid-19. Blockade refers to the measures taken by the government or administrative departments to restrict the flow of people, block off areas and close facilities in response to emergencies, such as natural disasters and public health incidents. Its purpose is to effectively control the situation and protect public safety.