This paper mainly discusses the new product introduction based on the Case. The new product introduction plays an important role in the enterprise growing, is the key way to improve the profit and key competition of the enterprise. Firstly this paper introduce the theory of Case-Based Reasoning, secondly according to the fast introduction of food sales, building the new product introduction model based CBR, finally discussing the realization of CBR. EPI-CBR improve the success possibility of new product introduction, providing the decision support for new product introduction.