Wide application of the computer-leading information technology is promoting tremendous changes in agricultural management, production, sales and agricultural science and technology, and education, showing broad application prospects, bringing unprecedented development opportunities to the information technology industry, greatly driving agricultural modernization, but also bringing challenges to agricultural science and technology workers to meet the agricultural information technology revolution. Information technology, as a kind of resource, is manifesting its functions in agricultural production and operation of agricultural products, and farmers are also paying more attention to the use of information technology to guide production and sales. China should take full advantage of the computer-centered information resources, and take the road of agricultural modernization and information to develop agriculture.