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The rapid development of the Internet and spread, making ever-increasing network traffic. Traditional network accounting methods and techniques have been unable to adapt to the ever-growing network traffic, required the introduction of new technology to achieve network accounting. In this paper, a new type of network accounting technology-Netflow switching technology. This article first analyzes several existing network accounting technology problems, then introduce the NetFlow switching technology, and finally proposed the use of NetFlow switching technology network accounting for the two programs, and these two programs are compared