Based on the mechanism of “creation and destruction,” this paper constructs a Schumpeterian economic model of multi-industry dynamic, stochastic population equilibrium, which includes the development elements of digital technology. Then this paper makes an empirical study on the application of digital technology in real industry and finance. The research shows that the integration of digital technology and the manufacturing industry will significantly promote industrial structure optimization. This model enables rapid transformation of the digital economy. Reducing capital restrictions in the era of big data finance has announced the development of the high-tech industry. It has promoted the transformation and upgrading of the industry. This topic provides particular reference significance for discussing digital technology’s application and innovation development in the real economy.