With the continuous progress of science and technology, the trend of integrating science and technology into education has been unstoppable, and educators are constantly striving to find a perfect teaching method to serve education. In this article, the innovative research on the teaching mode of history course based on digital technology is carried out. This article puts forward the design of digital resources of history curriculum, and on this basis, designs and implements the algorithm of recommending history curriculum resources. Firstly, CF (collaborative filtering) algorithm based on users is implemented to find similar neighbors for users, and if there are no similar neighbors, it is calculated according to content recommendation. Secondly, the user's ability scoring model not only contains the basic attributes of users, but also involves the ability scoring of course training users, and the calculation of ability comes from the calculation of text mining.