You can use a credit card for Didi taxi, but only if you bind the credit card. The binding method is:

1. Log on to WeChat, click the "I" tab, select my bank card, and enter my bank card home page;

2. Enter the homepage of my bank card, you can see Tencent's public welfare, recharge the phone bill, scan the QR code, and choose to add a bank card;

3. Enter the bank card number and select Next to enter the page of filling in bank card information;

4. On the page of filling in the bank card, you can see the added bank card type, select the credit card, fill in the card's validity period, name, ID number and mobile phone number, and automatically jump to the page of verifying the mobile phone number;

5. On the page of verifying mobile phone number, automatically identify the verification code of mobile phone, and select Next to enter the page of setting payment password;

6. On the page of setting payment password, set the payment password and automatically enter the page of entering the password for the second time;

7. After setting up, you can see the credit card you added.