Abstract: In recent years, with the improvement and innovation of agricultural machinery, the rapid development of corn whole process mechanization has been promoted. Suihua Branch of Heilongjiang Academy of Agricultural Sciences conducted in-depth research on the variety characteristics and cultivation management technology of Suiyu 47, a new maize variety suitable for machine harvest, in view of the problems such as few varieties of maize suitable for machine harvest and incomplete cultivation technology, and summarized its efficient cultivation management technology. This variety has the advantages of stable yield, high yield, high quality, multi resistance, and is suitable for the whole process mechanization. It is suitable for planting and promotion in the second temperate zone of Heilongjiang Province, the east of Jilin City, Jilin Province, and central and northem area of Chifeng City, Inner Mongolia.