Depending on science and technology progress and innovation-driven，Henan has achieved the eleventh year of continuous growth of grain，significantly increased the farmers’ income，improved the agricultural labor productivity，promoted the transfer of agricultural surplus labor and so on. In the same time，there are some problems，such as ability of science and technology support is not strong and modern agricultural development is insufficient in the coming year. Finally，this essay proposes measures to strengthen science and technology support and construct modern agriculture in Henan province based on three aspects. The first aspect is to strengthen the agricultural infrastructure and construction of ecological system. The second is to enhance the agricultural science and technology innovation and promotion. The third is to improve investment in agricultural science and technology.