Passengers who "make multiple trips in a short period of time" are not allowed to carry the foreign currency cash equivalent to US$ 5,000 for the first time (RMB limit is 20,000 yuan), and the foreign currency cash equivalent to US$ 65,438+0,000 yuan for the second time or more within 15 days. However, at present, the customs has no restrictions on foreign exchange and RMB checks, traveler's checks, letters of credit and other non-cash amounts. So it is not recommended to carry too much cash with you.