Abstract: The united front system includes the new political party system, and the system of regional national autonomy, the freedom of religious belief and administration according to law, healthy growth of non-public economy, special administrative region, the People's Political Consultative Conference, socialist consultative democracy, united front work, political power on the united front and the leadership of the united front. The united front system is not only a fusion system, but also a relatively independent system, and it is also a system of founding and governing the country. The united front system has the functions of unity and consensus, governance and absorption, democracy and stability, coordination and discourse. The united front system has realized the great leap of the united front from the important magic weapon to the important system, and the transformation and upgrading from the practical advantage to the discourse advantage. It has become the internal mechanism of the governance of the country with Chinese characteristics, and has promoted the governance innovation of our country from the founding by the united front to the governing of the united front.