The growth of the network data is beyond the processing capacity of the existing IT infrastructure. At the same time, “big data” is also a major influence on consumer’s behavior. C2C e-commerce consumption pattern is experiencing a vigorous development time of the electronic commerce in China. Because of its low threshold of setting up a shop which is occupying less money, low operating costs and obvious price advantages, low-income groups are welcome to this pattern. In case, this article analyzed the influence from five aspects: consumer behavior in security system, information search, recommendation system, credit system, virtual experience.