① Reform the official system and strengthen the imperial power. Break the convention of sealing Hou as the phase, use cloth as the phase, and completely control the prime minister. Appoint junior officials and attendants to serve as ministers, attendants and other positions, discuss military affairs, and form a "China-DPRK" decision-making body, in which ministers have increasing power. The organization composed of three officials and nine ministers headed by the prime minister has evolved into a general executive body, which is called "foreign court".
② Select a large number of talents, attach importance to the appointment and assessment of officials, and strengthen the emperor's control over local bureaucrats. The inspection system was implemented. 16 years ago, Emperor Wu of the Han Dynasty divided the whole country into 13 states, and each state served as a prison area, with a secretariat for supervision.
(3) Promulgating the law of granting favors to restrict Fan Wang's "law of attaching benefits", so that the problem of vassal kings can be solved.