1. credit card: select the payment method of credit card, fill in the card number and expiration date, and complete the payment.

2. Octopus: Octopus is an electronic toll collection system that can be used in shops, restaurants, supermarkets and other places in Hong Kong. By embedding a chip in a plastic card the size of a credit card, the card can be recharged and placed on the receiver to complete the payment.

3. Hong Kong version of Alipay: All Hong Kong residents can use Alipay and pay directly in Hong Kong dollars as long as they are bound to the credit card or recharge balance of local banks in Hong Kong. It can be spent in Taobao, many stores in Hong Kong, online merchants and paid by QR code.