Corn is one of the main crops in the world and plays an important role in agricultural production. It has a wide range of uses, high yield, convenient cultivation and management, and the planting area is increasing year by year. At the same time, corn is the most suitable raw material variety for bulk grain, with large processing space and long industrial chain, which has the potential of repeated processing and value-added, and is known as "soft gold". Heilongjiang has a large corn planting area and fertile soil, which is very suitable for corn growth.

Corn planting has played a considerable role in expanding rural employment, increasing farmers' income, promoting the development of planting industry and related industries, and prospering rural economy. Therefore, whether the corn yield can develop steadily is related to agricultural development, rural construction and farmers' income increase, and to the sustained and stable development of the national economy.

Based on the classical time series analysis of a series of data that affected the change of corn yield from Heilongjiang1986 to 2009, this paper constructed a reasonable corn production function with statistical characteristics by using econometric methods. Eviews6.0 software was used to analyze, test and predict the data of corn yield measurement model. The main factors, technical characteristics and yield-increasing mechanism affecting corn yield were summarized and analyzed from the aspects of supporting tools of small tractors, corn planting area, nitrogen, phosphorus and potassium dosage in Heilongjiang Province, and the problems and countermeasures needed to be solved in developing corn production in the future were put forward. Through model analysis, it is found that the supporting tools of small tractors, corn planting area, nitrogen, phosphorus and potassium consumption and corn yield have great influence on corn yield.