To solve some problems existing in the mechanism of the combination of science and technology and finance, this study studies the deep integration of science and technology and finance combined with the Internet. At present, there are many problems in the development of science and technology finance in terms of bank credit, capital market, service system, and risk supervision. To solve these problems, we need to innovate bank credit products and service modes, expand the breadth and depth of capital market services, establish a new science and technology financial service system, improve science and technology financial supervision regulations and means, and comprehensively promote the deep integration of science and technology and finance in the new era. Based on this, this study first expounds on the importance of the deep integration of science and technology and finance, comprehensively analyzes the problems existing in the deep integration of science and technology and finance, and finally puts forward the construction strategy of science and technology and finance integration platform. In the development of market economy, the deep integration of science and technology and finance and the development of platform model effectively improve the innovation ability of science and technology enterprises. The research shows that the high integration of science and technology and finance is the inevitable trend of the future development of the economic market. Therefore, enterprises need to constantly improve their financial operation ability, pay attention to the ways and means of the development of science and technology finance, strengthen the construction of their own platform, improve their operation ability, and improve their development status, so that enterprises can obtain a higher position in the market competition and achieve the purpose of sustainable development.