The era of big data provides a cumulative data and processing technology of accuracyrelevance and cross domain for all walks of life, and provides accurate funding and technical support to improve the mode selection. University poor student aid system has made enormous achievement. Howeve, from the principle of equity and efficiency, it has some deficiencies,such as, aid system is not compatible enough.Certificate of poverty is more likely to cheat aid modes lacks the humanistic concern, and so on. The technology and precise thinking of big data is great influence forfuture funding work, it can play a positive role for accurate, dynamic and systematic. And it is more powerful service national strategy, social needs and the development of students.