Abstract: high-quality development process of regional economy. Based on the five core systems of“network，platform，identification， data and security”of industrial Internet，this paper first summarizes the development panorama of China’s industrial Internet industry，then systematically analyzes the overall development trend of industrial Internet industry in Liaoning Province around the four dimensions of infrastructure，integrated application，technological innovation and industrial ecology，and then puts forward countermeasures and suggestions of“wider scope，deeper degree and higher level”for the problems existing in current industrial development. It is expected to provide theoretical reference and promotion path for the digital transformation of manufacturing industry in the old industrial base of northeast china.