Aiming to study the driving effect of industrial digitalization on the high-quality development of equipment manufacturing industry in Liaoning Province was mainly studied, the data of Liaoning Province from 2013 to 2022 was used as the research sample, entropy method and DEA-Malmquist index were used respectively to measure the high-quality development level of industrial digitalization and equipment manufacturing industry in Liaoning Province. On this basis, the ordinary least square method to do empirical research was used. The research shows that industrial digitalization has a significant driving effect on the high-quality development of the equipment manufacturing industry in Liaoning Province, which is significantly positive at the level of 1%. The application of digital technology should be strengthened to achieve quality and efficiency improvement and digital transformation and upgrading, so as to realize the high-quality development of the equipment manufacturing industry in Liaoning Province.