1. Waiting for the bill to be generated: If you just applied for a credit card, it may take some time to generate the bill. After the bill is generated, you can spend money, repay on time and establish a good credit record.

2. Check whether the credit card is activated: If you received the credit card but didn't spend it, it may be because the credit card is not activated. You can call ICBC customer service phone or log in to online banking to activate.

3. Check whether the credit line is sufficient: If your credit line is insufficient, you may not be able to spend. You can log on to online banking or call customer service to check the credit limit and spend according to your actual situation.

4. Check whether the credit card is frozen: If your credit card is frozen, it may lead to the inability to spend. You can log in to online banking or call customer service to check the credit card status and unfreeze it according to the prompt.