Construction and Application of Precision Marketing System of E-commerce Platform under the Background of Big Data

In order to promote the vigorous development of China's Internet industry e-commerce market, help e-commerce enterprises to use big data technology to operate scientifically, so that e-commerce enterprises can achieve sustainable development, gain more profits and more room for growth, and build an accurate marketing system of e-commerce platform. This system uses Python web crawler technology to obtain information data, and carries out data analysis on Hadoop platform. Combined with tableau data visualization technology, it intuitively presents the data required by e-commerce enterprises. Big data precision marketing system can help e-commerce enterprise managers to judge customers' psychology and behavior, understand customers' needs and consumption preferences, and accurately analyze the traffic volume and transaction volume data generated by new and old consumers in different preferential means and different periods to improve user loyalty. So as to increase the user return rate, stabilize the existing user base, improve the marketing plan of enterprises, improve the sales performance of enterprises, and help enterprises obtain more ideal economic benefits.