With the rapid development of science and technology, advanced technical means such as information technology have been widely used in various fields of society, realizing the reform and innovation in different fields. Mage data technology, Internet, cloud computing technology and so on have changed people's production and lifestyle, and society has entered a new era of mage data. Combined with the current situation of agricultural development, we should create a mage data training base for enterprises, build a perfect training system, carry out cooperation with colleges and universities, vigorously introduce professional talents, and spare no effort to promote the effective application of mage data technology in the agricultural field. This paper analyzes the importance of the application of mage data technology in the agricultural field, mage data mining analysis provides decision support, and the specific application of mage data technology in the agricultural field. Finally, through k-means algorithm, the industrial scale can be increased to more than 75%.