In Xianfeng's idea, the eight ministers can give full play to their political experience and collective wisdom, and can also let them supervise and contain each other; On this basis, the political system of Empress Miyako allowed the Empress and Zai Chun (actually Cixi) to use the seal system to guard against the eight ministers, while Empress Miyako did not have to participate in the daily government and military decision-making. No one is always smart. In fact, the power distribution plan carefully designed by Emperor Xianfeng at his deathbed wanted to achieve the balance of power through various restraints, so as to ensure that the imperial power would not be marginalized.