There are three main types of return on Investment: public offering listing, selling or acquisition, and restructuring of company capital structure. There are three main types of return on Investment: public offering listing, selling or acquisition, and restructuring of company capital structure. For companies that attract capital, private equity financing not only has long investment period,  increases capital.If investors are large well-known companies or well-known financial institutions, their fame and resources will help to increase the stock price of the listed company and improve the performance of the secondary market when the company is listed in the future.Secondly, the equity investment capital market is a more stable source of financing, compared with the volatile and unpredictable open market.Third, in the process of introducing private equity investment, it is necessary to keep the competitors secret, because information disclosure is limited to investors and does not have to be made public as listed. This is very important.