the fund manager is the institution responsible for the specific investment operation and daily management of the fund. In order to protect the interests of investors, the fund authorities should make strict regulations on the qualifications of fund managers, so that fund managers can better assume the responsibility of managing funds. There are different requirements for fund managers in different countries and regions, but they usually include the following aspects: 1. Having a certain amount of capital, such as the minimum paid-in capital of the fund management company to be established in the Fund Measures is 1 million yuan; 2. Be independent from the custodian in administration, finance and management personnel; 3. Have a complete organizational structure; 4. There are enough qualified professionals; 5. It has a complete risk control system and internal management system. The responsibilities of the fund manager mainly include the following aspects: 1. Use the fund assets to invest and manage the fund assets according to the provisions of the fund contract; 2. Pay the fund income to the fund holder in time and in full; 3. Keep the accounting books and records of the fund for more than 15 years; 4. Prepare the fund financial report, make a timely announcement and report to the China Securities Regulatory Commission; 5. Calculate and announce the net asset value of the fund and the net asset value of each fund unit; 6. Other duties stipulated in the articles of association of the fund or 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 provisions of the state and the provisions of the fund contract.