Abstract: The report of the 17th Party Congress clearly proposed the "To improve the national soft power"as the strategic objectives. United front is the important constituent part of the China national soft power which contains traditional political thought essence, such as, powerful culture attraction, being harmony with differences based on creative inheritance and other excellent views. It is also an important part of foreign policy with legality and morality. National soft power construction provides new development concept and development space for united front, makes multiple ownerships dedicate to the cultural construction, makes various power dedicate to legal environment, system construction, education reform and development, dedicate to national administration, management ability, national new state, national image promotion, dedicate to promotion of national inner cohesion with the national spirit and excellent cultural heritage, etc.