Agricultural informatization is the basis for the modernization of agriculture, at present there are many different ways of construction and models in agricultural information systems. Agricultural informatization for the Theory and Application of the status quo, a comparative analysis of a typical agricultural information system, agricultural information service system architecture is advanced, discussed in detail the operating mechanism of service, standards and application of norms, information platform architecture and other major issues, for the construction of agricultural informatization technology standards and norms of the project has a reference value.