The civil air defense office is a special office for civil air defense affairs of the government and the National Defense Mobilization Committee. The duty of the civil air defense office is to educate and train residents in various ways, so that residents can learn the knowledge and protection skills to protect their lives and property when accidents, disasters, terrorist incidents and enemy air strikes occur in peacetime; Build civil air defense facilities and prepare for air defense; In wartime, it is the responsibility to guide residents to obtain safety protection from shelter, evacuation and other means.