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Cultivated land is the basis for the survival and development of human society. The selective utilization of human factors and the level of utilization are the decisive factors to promote the external performance of cultivated land. The quality components of cultivated land in different regions have their own characteristics, and the external performance is different. This paper analyzed the China southern city of major grain producing areas of cultivated land within the health influence of constituent elements and characteristics of the relationship between each other, there are dominant factors to find the current utilization level under the influence of the external manifestations of the health of cultivated land, but also conducive to the area of cultivated land ecological function of human selective use, finally get maximum benefit of land use, the best function cultivated land.