To provide a precise agricultural method information management system capable of taking out and practically using useful and necessary information about production, distribution and consumption.

A cultivation place and estimation information about an agricultural product D are stored in an information management device 10 correlatively with production information of a production part A, distribution information of a distribution part B, and consumption information of a consumption part C. When reading and taking out the production information, the distribution information, the consumption information or the like stored in the information management device 10, by only operating information terminal devices 6A, 6B, 6C and accessing the information management device 10 from the production part A, the distribution part B and the consumption part C, the information stored in the information management device 10 can be read, retrieved and acquired at any time from any place to obtain the useful and necessary information about the production, the distribution and the consumption.