This article roughly retrospects the idea of school voucher program proposed by Milton Friedman, lately developed by Peacock, Wiseman and Jencks. The reasons like privatization in education, deterioration of public schooling and school choice promote this program. Then taking a simple look at the ramification of voucher program and its value inclination and the practice of school voucher program in the USA and the problems existing in America. Finally, this paper introduces the school voucher program practiced in China and the enlightenments that school voucher program can offer to the education reform in China. With the idea and practice of school voucher program, the introduction of the market mechanism benefits the innovation of education fiscal system, the competition between schools, improvement of the education quality and parents' needs of school choice; it benefits the development of non-governmental education; it helps to build a better school governance situation. We should use two forms of constitutional transformation to ensure the widespread of school voucher program in China. (Contains 55 footnotes.)