As an intermediary of network transactions,C2C trading platform can provided lots of information,and it also can comply personalized marketing and real-time distribution of digital goods by breaking the boundaries of time and space.

On this basis,relatively mature conditions and realistic significance are provided for constructing a specialized state-owned financial equity transaction platform.

The essence of commerce lies in ex- changing, this text attempts to promote the position of the space trade platform through practice of the city district trade and business building .

Analyzing the necessity of SC deal in the environment of E-business,the paper gives out the design scheme by layers of supply chain-oriented E-business trade platform,designs the structure and function and expatiates the operation mode of the platform.

5 futures-trade platform.

This paper discussed the characteristics of second-hand goods market based on campus network and the design of the online supporting trading platform,based on the information exchanging problems produced by college expansion which is one of the distinct results of college now development.