Abstract: Integration of agricultural machinery and agronomy is main objectives of agricultural mechanization．Through studying deeply inner logic of integration of agricultural machinery and agronomy and agricultural mechanization, analyzing symptoms of divorce between integration of agricultural machinery and agronomy, researching on typical model of agricultural machinery and agronomic integration at home and abroad, it was pointed out that promoting integration of agricultural machinery and agronomy should not only fully absorb foreign development experience, but also closely combine basic national conditions of more people, less land, and rapid development of moderate scale operation．A path that emphasized both yield, efficiency, and efficiency should be taken, and policy recommendations should be put forward to promote integration of agricultural machinery and agronomy and promote high-quality and efficient development of agricultural mechanization．