In this paper, which takes Hainan as an example, analyze the application of Electronic agriculture affairs in the process of building ecology, and aims at proposing the application strategy of Electronic agriculture affairs. The paper points out the advantages of applying electronic agriculture affairs in building ecology and the ways to carry it out. It takes the application of electronic agriculture affairs of Hainan as the focal point and analyzes its application mode. Together with the analysis of the application situation in other areas, it summarizes the problems in the process of applying electronic agriculture affairs. At last, it proposes the countermeasures and solutions in application of electronic agriculture affairs.