Abstract: China is an agricultural country，development of agriculture restricts the advance of whole national economy.With the rapid development of science and technology，modern agriculture construction becomes a trend in future.Core of agricultural modernization is the application of modern science and technology to the agricultural production，adjustment of agricultural structure and emancipation of the productive forces.Existing problems in the development of agriculture were analyzed and expounded.Refering to the foreign experience，countermeasures of agricultural mechanization development were discussed.