Based on the theory of corporate venture capital and the key success factors theory , according to the operational characteristics of the company's venture capital activities, this paper summarizes the key success factors of five companies' venture capital, including the quality of risk entrepreneurs, management team, product technology factors, and various organizations. Independence and environmental factors. In addition, this paper will discuss the development status of China's state-owned venture capital, and combine the case of shared bicycles to study the status quo and problems of venture capital support in China's shared economic development, and give countermeasures to promote China's shared economic risk investment support.