Abstract: The Mango agriculturist computer system is a computer program that is base on agriculture professional knowledge and can infer like an agriculturist. This computer system is faceing to basic agriculture technician and peasants, which was developed on paid platform. This paper illustrates the structure, goal, content and demonstration of this computer system. It provides inquiry service for peasants and basic agriculture technician and helps them to make a right decision, just like a well-know agriculturist guide the peasants on the spot. This computer system play a important role on accelerating the popularization of Mango science and its application, fatherly, it contribute to the industrialization of Mango in Guangxi.