公共财政作为一种与市场经济体制要求相适应的财政模式，寓含着深厚的民主政治底蕴。毋庸置疑，公共财政会推动民主政治建设，但公共财政体制的根本确立却要依赖于民主政治建设上的突破。公共财政的基本职责是提供公共产品。公共产品提供的决定机制与私人产品提供的决定机制不? Public finance, as a kind of financial mode compatible with the requirements of market economy system, contains profound democratic political connotation. Undoubtedly, public finance will promote the construction of democratic politics, but the fundamental establishment of the public financial system depends on the breakthrough in the construction of democratic politics. The basic responsibility of public finance is to provide public goods. The decision mechanism provided by public goods and the decision mechanism provided by private products are not?