The paper makes a common application proposal of ESB based on Web to Enterprise Application Integration on the research of the kernel techniques on SOA, Web Services and ESB. It may provide an agile architecture that made the integration easy for enterprises. Faking the characteristics of ESB and the primal principle of ESB into account, a novel idea of this technology is presented, and applied to the School Common Data Platform. Finally, the feasibility is experimented and the result shows the developing efficiency and software quality can be greatly improved.