Do I have to change Hong Kong dollars to go to Hong Kong?

You can exchange Hong Kong dollars when you go to Hong Kong, or RMB for Hong Kong dollars when you go to Hong Kong, depending on your personal needs. If you want to exchange Hong Kong dollars, you need to go to a bank with foreign exchange business.

According to Article 9 of the Measures for the Administration of Individual Foreign Exchange, individual foreign exchange settlement and domestic individual foreign exchange purchase are subject to annual total management. Within the total annual amount, it shall be handled in the bank with my valid identity certificate; If it exceeds the annual total, it shall be handled in the bank with my valid identity certificate and relevant certificates of the transaction amount under the current account, and under the capital account, it shall be handled in accordance with the relevant provisions of Chapter III.

Extended data:

Twenty-seventh personal foreign exchange accounts are divided into domestic personal foreign exchange accounts and overseas personal foreign exchange accounts according to the main categories; According to the nature of the account, it is divided into foreign exchange settlement account, capital account and foreign exchange savings account.

Article 28 A bank shall determine the type of account subject according to the identity documents and other supporting materials provided by individuals when opening an account, and the foreign exchange account opened shall use the name consistent with that recorded in its valid identity documents. Domestic transfer of foreign exchange accounts of domestic individuals and overseas individuals is managed according to cross-border transactions.

Baidu Encyclopedia-Personal Foreign Exchange Management Measures