1. Choose a credit card payment service provider: you need to choose a credit card payment service provider, such as Alipay, WeChat Payment, UnionPay, etc. These service providers usually have the function of providing credit card QR code to collect money.

2. Registered account: After selecting a credit card payment service provider, you need to register an account. Usually, you need to provide some personal information and bank account information to complete the registration.

3. Apply for credit card QR code collection function: After registration, you can log in to your account and find the option to apply for credit card QR code collection function. Different service providers may have different operating methods, and you can follow the specific guidelines.

4. Provide relevant information: During the application process, you may need to provide some relevant information, such as your ID number and bank card number. Ensure that the information provided is accurate.

5. Waiting for review: Once the application is submitted, it usually takes a while to review. After the approval, you can start to use the credit card QR code collection function.