You can send money back and forth when you travel abroad.

Of course. According to the relevant regulations of China's foreign exchange management, individual residents who travel abroad and whose departure time indicated on their visas is less than half a year can purchase foreign exchange from the bank at the equivalent of $3,000 each time; If you leave the country for more than half a year (including half a year), each person can purchase foreign exchange equivalent to $5,000 from the bank each time. Individual residents holding multiple round-trip visas (or endorsements) may purchase foreign exchange from banks according to the above-mentioned guiding limits, but the interval between two purchases shall not be less than 30 days. If individual residents purchase foreign exchange in excess of the above-mentioned guiding limit, the foreign exchange bureau shall review the authenticity and purchase foreign exchange from the bank.