The method of credit card activation is as follows:

1. Branch activation: Credit card holders need to bring their valid ID and credit card to a nearby bank branch for activation.

2. Telephone activation: Credit card holders need to call the customer service number on the back of the credit card and accurately provide relevant information as required by customer service to activate the credit card.

3. Online activation: Users need to download and log in to the relevant online banking in advance, and follow the interface prompts to activate the credit card.