Abstract:In the past 40 years of reform and opening up, with the development of scientific and technological innovation, from the initial level of government policy business practice to the national strategic level, sci-tech finance has become an important part of the current “two-wheel drive”. From the initial "integration of sci-tech and finance" to the current deep integration of "finance, technology and industry", the connotation and extension of sci-tech finance are changing, and the theoretical research as an academic category with certain characteristics of China"s national conditions is relatively lagging behind. . In view of the practical exploration process and development trend of sci-tech finance, it is necessary to grasp the essence and related characteristics of sci-tech finance from the three dimensions of “capital tools”, “innovation policy” and “economic paradigm”, thereby enriching and developing relevant theoretical systems, so as to better play the theoretical policy value and practical guiding significance.