1. Exchange at the bank counter: go to the bank counter, hold RMB cash or bank card, and fill out the application form for exchanging Hong Kong dollars. Different banks will have different exchange rates and different handling fees.

2. Exchange at foreign exchange dealers: foreign exchange dealers are located in airports, tourist attractions, business districts and other places. Usually the exchange rate is slightly higher than the bank counter, but the handling fee is also higher.

3. Exchange on Alipay or other electronic payment platforms: Through Alipay, WeChat and other electronic payment platforms, you can directly check the exchange rate of Hong Kong dollars on the APP for exchange. However, it should be noted that the exchange rate in this way is usually between the bank exchange rate and the foreign exchange dealer exchange rate.