China has not liberalized the free flow of funds under the capital account in the balance of payments. For overseas remittance, such as salary income or family support, a single transaction does not exceed the equivalent of US$ 3,000, and it is not necessary to report to the bank, otherwise the above amount needs to be reported. For other purposes, individuals need to report to SAFE and fill in the source of funds.

Foreign exchange control, on the one hand, understand the reasonable source of funds and control the inflow of hot money; On the other hand, the relative independence of domestic monetary policy can be maintained. It is not affected by the fluctuation of capital flow in the international market and affects the policy effect.