Based on the "Tenth Five-Year Plan" proposal and nearly 30 years of management consulting experience in Industry-University-Research, CUHK Consulting Institute proposed that in order to realize the transformation of platform enterprises, it is necessary to deeply study the current international economic, trade, industrial and other development trends, study the macro-external environment of the open development of state-owned enterprises, and at the same time, make clear the goals and requirements of the open development of state-owned enterprises in combination with the interpretation of major domestic policies and economic and industrial analysis. From the aspects of market development, channel construction, resource allocation and innovation platform construction, this paper studies the experience of key enterprises' opening-up development, and puts forward the main ideas and paths of state-owned enterprises' opening-up development from the aspects of industry, capital and rules.