Since entering the era of Internet plus, new teaching methods and technologies have been emerging. Also people's understanding of teaching resources is constantly advancing. Then the great richness of history teaching resources requires continuous integration to help the teaching of history in middle schools. In view of the resource integration of history teaching in secondary schools, it is not only necessary to accelerate the integration of information technology and history teaching in middle schools, but also to use diversified resources of teaching and its methods. In addition, we should establish a resource base of history teaching in secondary schools, which would promote the sustainable and effective development of history teaching in these schools.