The construction of teaching resource library should reflect the characteristics about the school and meet the needs of the personnel training; it is particularly significant for the development of ethnic minority colleges and universities. Through the analysis of the present situation of the construction about teaching resources in ethnic minority colleges and universities and the research practice of the teaching resources in Northwest University for Nationalities, this paper puts forward to construct the teaching resource library in Ethnic Minority University, and analyzing the function of the various modules about the public service platform.