The activation method is as follows: 1. SMS activation: In the registered letter of the credit card mailed by the bank, there will be detailed SMS activation instructions. Follow the instructions to activate the credit card. 2. Call the bank's customer service number: according to the voice prompt, enter the card number, ID number and other information to activate the credit card. 3. Online banking activation: log in to the bank official website, enter the card number, password and other information to activate the credit card. It should be noted that when activating the virtual card, you need to provide some personal information, such as ID number, mobile phone number, credit card expiration date, etc. To ensure the authenticity and consistency of identity information. Virtual cards are different from physical cards, so attention should be paid to the safety of use and the protection of personal privacy.