Abstract:The fundamental way out for agriculture lies in progress in agrotechnical innovation, the system problem is becoming the first factor holding back the agricultural science and technology development. How to reconstruct an innovation system is a crucial problem for farming and rural economy development. Regional, public benefit, comprehensiveness and long period are four characteristics of progress in the art of agriculture. Combined with the international experience and the real situation of China, the new international agricultural science and technology innovation system may be organized by agricultural research center, experiment farm and agricultural extension station.