The fund custodian is the representative of investors' rights and interests, and is the nominal holder or management institution of fund assets. In order to ensure the safety of fund assets, the Fund shall operate according to the principle of separation of asset management and custody, and the fund assets shall be kept by special fund custodians. In order to fully protect the rights and interests of fund investors and prevent the fund trust property from being used for other purposes, the laws and regulations of securities investment trusts in various countries stipulate that all funds should set up a fund custodian, that is, the fund custodian shall supervise the investment operation of the fund management institution and keep the fund assets of the fund custodian. The fund custodian, also known as the fund custodian, is the party responsible for asset custody, transaction supervision, information disclosure, fund settlement and accounting in the operation of securities investment funds according to the requirements of laws and regulations.

The fund custodian is the representative of the rights and interests of the fund holder, usually served by a powerful commercial bank or trust and investment company. The fund custodian and the fund manager sign a custody agreement. Perform duties within the scope agreed in the custody agreement and collect certain remuneration. Fund custodian is an institution that supervises fund managers and keeps fund assets according to the principle of "separation of management and maintenance" in fund operation. The fund custodian and the fund manager sign a custody agreement, perform their duties within the scope agreed in the custody agreement and collect certain remuneration. Generally speaking, the fund custodian should be a financial institution that is completely independent of the fund management institution, has certain economic strength, has a certain scale of paid-in capital and has an industry reputation. China's Securities Investment Fund Law stipulates that the fund custodian should be a legally established commercial bank with fund custody qualification.