The deposit and loan business of banks is a traditional business, and banks can also invest in non-equity securities, such as government bonds. 2. Guarantee business, such as letter of guarantee, letter of credit and bill acceptance. Commitment business, such as loan commitment, note issuance facilities, overdraft limit 4. Financial derivatives trading, forward, futures options and swaps trading. Loan securitization. Settlement business. Bank card business. Agency business, agency fund custody. Consulting business. Trust business 10 financing lease, etc. New innovative businesses are gradually emerging.