Student financial aid of universities plays an important role in ensuring the fairness and justice of higher education. With the development of society and the times, the traditional student financial aid methods have fallen into trouble, and the realization of precise aid has become the new trend. Informatization means and big data can improve the accurate identification of poverty-striken college students, and then achieve accurate aid. The application of big data technology in student financial aid will provide new ideas and technical support for innovative of student financial aid, and it will also be an innovative model for strengthening student financial aid management.