Public universities in the United States receive much more funds from the federal and state governments than private universities, and at the same time receive huge donations. The University of Washington and the University of Michigan have always been the top three universities in the world in terms of financial expenditure and scientific research expenditure. The endowment fund of the University of Texas system is 16 1 billion dollars, including 7.2 billion dollars from the University of Texas at Austin, 9.6 billion dollars from the University of California, and 7 1 billion dollars from the University of Michigan in ann arbor. 20 1 1 year, the financial expenditure of the university of Washington reached more than 5 billion dollars, the endowment fund reached more than 2 billion dollars, and the research fund reached/kloc-0.5 billion dollars. With the support of the federal government, the University of Washington has always maintained the second place among American universities. The research funding of the University of Wisconsin-Madison reached more than 800 million dollars in 2008. The University of Illinois spends hundreds of millions of dollars on research in the fields of science and engineering, and its research funding from the National Science Foundation (NSF) ranks first in the United States year after year.