1. Credit cards can be activated as long as they are valid in temporary id card. According to Article 14 of the Measures for the Administration of Temporary Resident Identity Cards in People's Republic of China (PRC), citizens who engage in related activities and need to prove their identity have the right to use temporary resident identity cards to prove their identity. The relevant units and their staff shall not refuse.

Second, you can also log in to the official website self-service activation of the bank to which the credit card belongs. Taking Shanghai Pudong Development Bank as an example, the specific methods for online activation of credit cards are 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 according to the system requirements, and activate the credit card after verification.

Baidu Encyclopedia-Measures for the Administration of Temporary Resident Identity Cards in People's Republic of China (PRC)