1, with wide sources of funds; 2. Public offering and listing, sale or merger, and reorganization of the company's capital structure. For foreign-funded enterprises, private equity financing not only has the advantages of long investment cycle and increased capital, but also may bring professional skills needed for management, technology and market. Compared with the volatile and unpredictable open market, the equity investment capital market is a more stable source of financing. 3. Equity investment in unlisted companies is regarded as long-term investment because of poor liquidity, so investors will demand higher returns than those in the open market. 4. There is no listed transaction, so there is no ready-made market for the transferor of unlisted company to directly reach a transaction with the buyer.