Abstract: By introduction of the design and analysis for internet of upland agricultural soil irrigation information and decision making support system,this article expounds the application of the internet technique to upland agricultural soil irrigation researches,states the system functions,concisely gives an account of decision making analysis model of the system in a simple and explicit way.which shows that The system is an important useful tool for decision making on upland water resources sustainable utilization.

Key words: Internet, simulation model, crops irrigation, decision making support