With the popularity of the Internet, online shopping has become a new way of life for people. The rise of online shopping has provided consumers with many conveniences, and it has also provided some challenges for online merchants on e-commerce platforms. This is due to the different operating modes of e-commerce platforms and traditional sales, so the consumer behaviors of e-commerce platforms and traditional sales are also very different, and it is necessary for online merchants to re-analyze the characteristics of consumer behaviors based on the characteristics of e-commerce , And then formulate the corresponding network marketing strategy; in this article, we mainly analyze the behavior characteristics of consumers before, during and after the purchase in the Internet era, and analyze the changes in consumer purchasing behavior and the reasons for such changes , And analyze the impact of changes in consumer behavior characteristics on business operations, and propose corresponding improvement measures.