Abstract:On the 70th anniversary of the founding of China and the 41st anniversary of the reform and opening up, it is of great significance to study the power supervision system of contemporary China and plan for the future system construction and development in order to realize the "two centenary" goal and the "Chinese dream" of the great rejuvenation of the Chinese nation.Power supervision has an important influence on the governance of the party, the strengthening of self construction, the maintenance of long-term stability and social stability, and the promotion of political system reform.