Big Data Marketing" era refers to "use big data to guide marketing" , not the concept of big data marketing itself, we must be clear is: Who is doing big data marketing, what big data marketing mainly do, how big data marketing works. Big Data marketing business types are divided into two major parts: effective marketing and brand marketing. The basic process of data-based marketing is not much different from past data analysis, however, in the Internet Age, data collection is an unconscious behavior, the analysis and interpretation of data also provides a lot of space. Using big data and Internet marketing, the main theories of Internet marketing are integrated marketing, direct marketing, soft marketing and relationship marketing, relying on databases and data mining is the process of extracting useful, previously undiscovered information from a large number of databases and then using that information to help make key business decisions, the Enterprise can obtain the data information such as the consumer's liking degree, the distribution area, the basic characteristic and so on, so as to improve the product and make the corresponding marketing strategy.