1. Bank custody business refers to the intermediary business in which a bank, as a third party, represents the interests of the asset owner in accordance with laws, regulations and custody contracts, handles fund settlement in the name of custody assets, conducts accounting and valuation of custody assets, supervises the investment operation of managers, and collects custody fees to ensure the interests of asset custodians.

2. There are many kinds of bank custody business, including securities investment fund custody, entrusted assets custody, social security fund custody, enterprise annuity custody, trust assets custody, rural social security fund custody, basic old-age insurance personal account fund custody, supplementary medical insurance fund custody, income and expenditure account custody, QFII (qualified foreign institutional investors) custody, valuables custody, etc.