First, the debit card must be activated at the counter of the bank business hall with the original ID card and bank card.

Second, you can activate the credit card by calling the bank's customer service phone.

3. Credit cards can also be self-activated in official website. Take online activation of credit card of Shanghai Pudong Development Bank as an example. The specific method is as follows:

1. Open Baidu search, enter "Shanghai Pudong Development Bank" in the search bar, find official website of Shanghai Pudong Development Bank after the search, and click Enter.

2. After entering official website of Shanghai Pudong Development Bank, find "Credit Card" and click Enter.

3. After entering the credit card, find the "Online Activation" item and click Enter.

4. After online activation, enter the corresponding information of the credit card and cardholder, and activate the credit card after verification.