With the purpose of maximizing productive efficiency by means of leveraging information technology in agriculture, this study creates agriculture information system which constitutes factors from supply-side based on the theories of economics. Then, Gray Correlation Analysis has been used to analyze agro- industrialization. The wide application of the Internet and financial support in agriculture exert significant positive effect on the development of agriculture. At the same time, less agriculture weather stations, developing agriculture futures have no obviously positive effect on it. Low level education of the rural labour has the negative effect on it. Therefore, suggestions like increasing the investment on rural education, giving more support on land conservation, integrating the data from different relevant fields to develop agriculture futures, developing meteorological monitoring technology are given based on the experience of developed countries.