The Purpose of the mobile platform for agricultural comprehensive intormation service is to establmn a comprehensive information collecting, processing and publishing system, and to integrate various types of heterogeneous resources, and to provide embedded expert database guidance of various aspects of agricultural production, service-oriented agricultural products safety testing and logistics traceability function. The platform is divided into user layer, unified portal layer, application layer, process integration layer, service layer, data access layer and the hardware layer. We introduce ...