Fertilizer is the link of green development between industry and agriculture and an important substance that supporting green transformation development. In the new period, the green development of industry and agriculture has faced great challenges with high environmental costs during production and low resource use efficiency, especially in the process of fertilizer production, a large number of nutrient resources can not be efficiently used. In order to better solve the key problems faced by industrial and agricultural development, this paper propose the idea of full use of mineral resources and its industrial approach, focuses on introducing the basic concept and connotation, full use strategy and industrial approaches, in order to provide solutions for the development of green intelligent fertilizer industry with the cross-integration of industry and agriculture, promote scientific and technological innovation to solve key industrial problems, and provide strategic support for the innovation of green intelligent fertilizer and the promotion of green transformation and upgrading of fertilizer industry.