If you win money in Macao, you can buy things directly from the mainland. Gambling is legal. If mainland residents win money there, it must be legal income. The state stipulates that the amount of foreign currency brought into the country is less than 5000 dollars. In order to crack down on money laundering, currency smuggling, foreign exchange evasion and other illegal and criminal acts, the state has clear regulations on bringing foreign currency cash into and out of the country. The limit for bringing foreign currency cash into and out of the country is 20,000 yuan per person or the equivalent of 5,000 US dollars in foreign currency cash. In the case of exceeding the limit, you must obtain the exit permit for carrying foreign currency issued by the bank and the foreign exchange administration department, and fill in the declaration form, otherwise the customs will not release it.