It is recommended that the yen return to China through the bank. Because of bringing foreign currency into the country, the amount of foreign currency is limited and may be confiscated! Once a friend was found out by the customs, and it was hard to find an acquaintance, and it took a lot of effort to escape.
What's more, it is also applicable to remit money to domestic banks through banks and then exchange it in China. If you bring cash back to exchange money, only the cash exchange rate can be applied. There is a big difference between them, such as 6,543.8+0,000 yen, which is about 654.38+0.500 RMB.