Abstract: With the advent of the era of big data, various industries are actively exploring and developing its internal big data resources, and they find its business value of data resources by using big data theory and technology. On the basis of theoretical analysis, this paper builds a big data network marketing model based on the theory BI including the data source layer, data layer, data analysis layer, marketing application layer, and user layer and presents the " 5J” evaluation standard and value for the model. The model introduces big data into the traditional framework of BI and optimizes the traditional framework of BI to achieve an effective fitting between big data and network marketing. In the field of network marketing, the big data applications will have a positive impact on the development of network marketing as an enterprise data strategy.