Bao Gong, an ancient coloring story, includes five officials, namely: the first official (saint), the second official (doctor), the third official (palm), the fourth official (prime minister) and the fifth official (general). Yipin official is the highest official position and the most powerful official, responsible for unifying the administrative affairs of the whole country; The second product officer is responsible for national public health affairs; The third-level official is responsible for administrative examination and approval, and is responsible for collecting and storing state financial funds; Four officials are responsible for foreign affairs and handling relations between countries; Five officials are in charge of military management, including conscription and military training.