Finance refers to the issuance, circulation and withdrawal of money, the issuance and recovery of loans, the deposit and withdrawal, the exchange of foreign exchange and other economic activities. Finance is to realize the equivalent circulation of value and profit after the re-integration of existing resources. The professional view is that the process from saving to investment can be narrowly understood as financial dynamic monetary economics. ) Finance is the behavior that people make decisions on the optimal allocation of intertemporal resources in an uncertain environment.

The essence of finance is value circulation. There are many kinds of financial products, including banks, securities, insurance, trusts and so on. Finance involves a wide range of academic fields, including accounting, finance, investment, banking, securities, insurance, trust and so on.

Extended data:

Finance has five elements:

1. Financial object: currency (funds). The currency circulation regulated by the monetary system has the characteristics of prepayment, turnover and appreciation;

2. Financial model: represented by the credit model of lending. The trading objects in the financial market are generally written proof of credit relationship, contract documents of creditor's rights and debts, etc.

Including direct financing: no intermediary intervention; Indirect financing: financing realized through the intermediary role of intermediary institutions.

3. Financial institutions: usually divided into banks and non-bank financial institutions;

4. Financial places: financial markets, including capital markets, money markets, foreign exchange markets, insurance markets, derivative financial instruments markets, etc.

5. System and control mechanism: supervise and control financial activities.

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