Fund manager (fund management enterprise) refers to an organization that relies on professional knowledge and experience, uses the managed fund assets, implements investment decisions according to laws and regulations, the provisions of the fund or the agreement of the fund contract, and the scientific portfolio principle, so that the managed fund assets will continue to increase in value and fund holders will get as much income as possible.

Fund managers have different names in different countries. For example, it is called an investment management enterprise in Britain, a fund management enterprise in the United States, an investment trust enterprise in Japan and a securities investment trust enterprise in Taiwan Province Province of China, but the responsibilities are basically the same, that is, the use and management of fund assets.

Fund managers are managers and users of fund assets. The quality of fund income depends on the level of fund managers' use of fund assets, so the qualifications of fund managers must be strictly limited to protect the interests of investors. Only institutions with certain conditions can serve as fund managers. Different countries or regions have different standards for the qualifications of fund managers. Generally speaking, an institution applying to become a fund manager must be approved by the relevant government departments in accordance with the relevant securities investment trust laws and regulations of the country or region where it is located before it can obtain the qualification of a fund manager. The contents of the audit include: whether the fund management enterprise has certain capital strength and good reputation, whether it has the hardware conditions (such as fixed place and necessary facilities) to operate and operate the fund, whether it has specialized personnel and clear fund management plans, etc.

According to China's "Interim Measures for the Management of Securities Investment Funds", the responsibilities of fund managers are: using fund assets and investing in and managing fund assets according to the norms of fund contracts; Pay the fund income to the fund holder in time and in full; Keep the accounting books of the fund for more than 15 years; Prepare the fund financial report, make a timely announcement and report to the China Securities Regulatory Commission; Calculate and publish the net asset value of the fund and the net asset value of each fund share; Other duties stipulated in the fund contract; Managers of open-end funds should also handle the subscription and redemption of funds in a timely and accurate manner in accordance with the relevant national norms and the norms of fund contracts.