Today, the technology of Internet of things in the field of agricultural environmental monitoring has been widely used, but the network monitoring technology based on the node is still faced with the monitoring points distribution design, data space, continuous expression and many other problems. According to the characteristics of agricultural environmental monitoring objects, this paper presents transference of zone simulation and evaluation method, design a set of things based on the “point” of the monitoring data and WebGIS solution based on the “face” of the space data fusion and analysis. In established networking monitoring center system platform based and optimization of WebGIS integrated graphical spatial analysis technology, in Helong and Kaian town of Nong’an County of Jilin Province in the national Spark plan experimental base fusion networking monitoring data and WebGIS spatial data points of agricultural environment monitoring system is established. System to achieve the display of data location map and transference of the regional simulation and evaluation, regional monitoring thematic map management three functions. The results of experimental base in maize field monitoring of growth for the case of application of the system show that the system can effectively realize the transference of agricultural environment dynamic monitoring of the region, corn crop disaster comprehensive monitoring ability can be improved, and can provide a more convenient application services for agricultural production management.