At present, there are many e-business sites, however, agricultural e-business site is not very common. This paper proposes a method to build agricultural e-business system, the most important feature of the system is the inclusion of a map service, and the integration of relevant data on many systems, such as agricultural specialized system and agricultural price-comparing system. In this paper, we describe the designing method of agriculture e-business system, and describe how to implement map basic function and personalization recommendation function.