Abstract:This paper analyzes the practical characteristics of the organizational system, policy system, and input system of agricultural science and technology innovation established by Japan under the guidance of the concept of “building a country by science and technology”, and provides references for strengthening the construction of China's agricultural science and technology innovation system. Research findings: Japan has established a coordinated agricultural technology innovation management mechanism in promoting agricultural technology innovation, an agricultural technology innovation mechanism that has its own characteristics and joint development between government, industry and academia, and multi-level agricultural cooperative organizations and diversified technology transfer institutions coexist. The innovative organization system, including the agricultural technology extension mechanism, has strongly promoted the development of Japan's agriculture. It highlights scientific and technological innovation at the national strategic level, and forms an agricultural technology innovation policy system led by the government, with key participation by enterprises, and collaboration with farmers, supplemented by an auxiliary policy system for scientific and technological talent support and legal protection, and has formed a public scientific research institution as the leading, An agricultural science and technology innovation input system with enterprises as the main body and universities closely cooperating. Based on my country's national conditions, the following enlightenment is proposed: Strengthen the construction and implementation of agricultural science and technology innovation system construction development strategies, encourage the construction of farmers' professional cooperative economic organizations, strengthen the training of high-level agricultural science and technology talents and the adjustment of talent structure, and strengthen enterprises in agriculture the dominant position of investment in scientific and technological innovation in the field.