Credit cards can directly use RMB to repay Hong Kong dollar debts. To directly use RMB to repay Hong Kong dollars, you need to activate the foreign exchange purchase function first. After activation, you can choose to repay in full or with the minimum repayment amount.

Steps to activate RMB repurchase and repay Hong Kong dollar debt:

1. Call the bank phone number on the back of the bank card, transfer to manual service, and request to activate the RMB foreign exchange purchase function;

2. Log in to the bank card personal center to activate the foreign exchange purchase function.

When purchasing foreign exchange for repayment after returning to China, you still need to convert the Hong Kong dollar exchange rate. The timing of foreign exchange purchase and repayment is very particular. Visa is used, and MasterCard is used if the card starts with "5". There are two types of domestically issued credit cards: single currency and dual currency. However, it should be noted that the cardholder cannot purchase foreign exchange and repay the card after returning to the country. However, when the RMB is depreciating, even if you use a UnionPay card, using Visa or MasterCard and other foreign card channels may be affected by short-term exchange rate fluctuations. Settlement and billing will be carried out in accordance with its rules. If you use the UnionPay channel, this link will produce Additional fee - "Currency conversion fee", which is the handling fee charged when converting non-Hong Kong dollars into Hong Kong dollars. You only need to pay back the RMB directly when you return to your country.

It is recommended to use UnionPay channels when swiping cards overseas.

If possible, use UnionPay channels. For cardholders: When traveling to Hong Kong, the exchange rate may not necessarily be that of the day of purchase. This fee is charged by international card organizations to the card-issuing bank. The highest fee is 2% for Shanghai Pudong Development Bank, and .75% for the larger the card amount. If you bring a dual-currency card, the bank usually converts it based on the foreign exchange rate on the day of entry. Therefore, it depends on the credit time of different merchants, but usually the card-issuing bank will pass this fee on to the cardholder.

You can save money by keeping an eye on the exchange rate and selecting a repayment date. In addition to currency conversion fees, you can repay directly in RMB. However, this fee will not be listed separately in the bill. A few of them have Hong Kong dollars as a single currency when spending in U.S. dollar countries. Many cardholders believe that it will be more cost-effective to pay off their bills early or use UnionPay cards. However, some banks are different. For example, cards issued by UnionPay can be settled through UnionPay channels. In the process of RMB appreciation, this mainly depends on the changes in the RMB exchange rate. Currency conversion fees alone can save a lot. The exchange rate is also an issue that cardholders need to pay attention to when swiping their cards for consumption, which means different exchange rate conversions and Transaction fees. When swiping a card for consumption, it is reported that this will generate a "foreign exchange fee" or a "currency conversion fee", so this problem does not exist.