Part of the intermediary business of commercial banks is divided into nine categories: payment and settlement intermediary business, including domestic and foreign settlement business; Each card business, including credit card and debit card business; Acting as an intermediary business, including securities services, insurance agency business, entrustment by financial institutions, collection and payment on behalf of others. ; Guarantee intermediary business, including bank standby letters of credit and various bank guarantees; Commitment intermediary business, including loan commitment business; Intermediary business, including forwards, foreign exchange contracts, financial futures, swaps and options; Fund custody business, packaging group or open-end investment fund custody business; Consulting business, including information consulting, financial consulting and other intermediary business, such as safe deposit box business.