Abstract: Crop pests and diseases monitoring and forecasting is an important part of the key to agricultural disaster prevention and mitigation,and to ensure that effective supply of major agricultural products.At present,it is widespread phenomenon that the accuracy and timeliness of work pest monitoring and early warning is greatly restricted because of “Information isolated island”.“AHP-based CBR Warning Decision” model was proposed,which using Web Service technology,designed and developed a monitoring and warning system based on SOA structure in Anhui Crop pests and diseases,and put it into application.This early warning system has achieved collecting standardized,transmission networking,analysis standardized,graphical processing,publishing visualization,reporting institutionalized,management automation,intelligent decision-making of Anhui crop pest data work.The practical result of six years showed significant efficiency at all levels of Anhui plant protection stations,in terms of accuracy and timeliness of decision-making in early warning.

Key words: Web Service, Crop pests and diseases AHP, CBR, Early warning system