Abstract: Agriculture is the foundation of the national economy. Incessant changes in information technology are the important role of promoting agriculture development. According to the production process, agricultural information is divided into pre-production, mid-production, and post-production informationization and mid-production informationization is extremely complex and important. This article discusses the implementation process of agriculture informatization in mid-production process from the above three aspects and their dialectical relationship. This study helps to clarify the process of development of agricultural informationization and speed up agricultural science and technology application in agricultural practices.