The official system of the Ming Dynasty was originally a province of Chinese books, which was abolished in the thirteenth year of Hongwu. The six departments were directly managed by the emperor, that is, "military punishment, industrial officials and housekeepers". The six chief officials are ministers, and the deputy chief officials are assistant ministers. The official department is responsible for the appointment, removal, promotion and transfer of officials. The Ministry is responsible for land registration, taxation, warehousing, finance and other affairs throughout the country; The Ministry of Rites is in charge of etiquette, sacrifice, education and diplomacy, and presides over the imperial examinations. The Ministry of War is responsible for military affairs such as military registration, military training and officer selection. The Ministry of Justice is in charge of law, prison and other affairs; The Ministry of Industry is in charge of engineering, construction, land reclamation, water conservancy and other affairs. (Almost from the Tang Dynasty)

The central supervisory organ is Douchayuan. Duchayuan has four levels of officials: all ambassadors, all deputy ambassadors, all ambassadors and supervisory ambassadors. The left and right ambassadors are all top officials.

Place: Yuan Xing Province changed to Chief Secretary Cheng Xuan. It is the third product to participate in politics and become a political envoy, in charge of civil affairs and finance. At the same time, the left and right political participation was set up, and the left and right departments were changed from the three products to the experience department. Yongle was finally appointed as the 13th Chief Secretary. The area under the jurisdiction of the chief secretary is roughly the same as that under the jurisdiction of the original province. In addition to publishing the chief secretary and the competent minister, each province has also set up a department for provincial judges and prosecutors to be responsible for sentencing, with a provincial judge in charge of criminal law. There are also commanders and envoys who are in charge of the military. In such a province, there are chief secretary, inspection department and command department, commonly known as three departments, which are not unified with each other and directly under the central departments, and are in charge of military, civil affairs, finance, justice and other affairs of a province.

The first level below the provincial level is the government, the chief executive is the magistrate, and there is also the Zhili prefecture, that is, the governor of Zhili in the Ministry of Foreign Affairs is the magistrate, which is equivalent to the magistrate. The second level is the county, and the chief is the magistrate. Or the state capital, the chief executive is the state capital, and the status is equivalent to the county magistrate.