This question can be answered from different angles. The three main participants of private equity funds are investors, fund companies and projects. From this perspective: 1. For investors, idle funds can be thrown out to preserve and increase value; 2. For the project, you can obtain funds and introduce other resources to promote enterprise development; 3. Fund companies play the role of screening and screening in the market, that is, allocating resources. Therefore, at the macro level, promoting the development of private equity fund industry is conducive to industrial upgrading and structural transformation.