Abstract: The corn is one of important foods in Erdos City,also is the main feed grain. Statistics show that the existing cultivated land was 556.0 ten thousand acres of Erdos City in 2009,the area of corn-planting is 428.6 ten thousand acres,76.8% of cultivated land area.Thereby increasing the corn production capacity of Erdos City , and planting of maize yield levels to stabilize grain production and ensure supply of feed grain to increase the income of grain farmers have very important significance.This paper studies the efficiency of maize production in Erdos City that uses date envelopment analysis method, measure the overall efficiency of maize production, technical efficiency and scale efficiency conditions, and propose ways to improve production factor input and policy recommendations to improve the management level of agricultural production in Erdos City,reduce the waste of recourse, reduce production costs,increase farmers income production.