Abstract: To meet the network, comprehensive and accurate development demand of soil testing and fertilizer recommendation expert system, put forward a set of soil testing and fertilizer recommendation integrated service platform which is based on browser/server architecture, implemented by Asp.net, and supporting the same type of village plots for minimal fertilizer unit. This article describes the technical solution include function-model, requirement analysis, database design and application architecture, and proposes solution to building the village-block units network map which is the key technology of platform. In the end shows the effect of the realization of the platform features.