By pooling the funds of many investors, many a mickle makes a mickle, which is conducive to giving full play to the scale advantage of the fund and reducing the investment cost. The fund is managed and operated by the fund manager. Fund managers generally have a large number of professional investment and research personnel and a strong information network, which can better track and analyze the securities market comprehensively. Give funds to fund managers for management, so that small and medium investors can also enjoy professional investment management services.