Abstract: Mechanization level of spring corn enhances unceasingly in Beijing. But with development of agricultural modernization，fusion of agricultural machinery and agronomy has become outstanding problems to restrict labor productivity and land productivity and resource utilization.Based on a lot of survey data，present situation of spring corn planting in Beijing was introduced.Problems and reasons to restrict fusion of agricultural machinery and agronomy about spring corn planting were analyzed from aspects of agricultural machinery，agronomy and land scale.Suggestions to further fusion of agricultural machinery and agronomy about spring corn planting were introduced from system construction，technical training，subsidy policy and land circulation.