1, customer service telephone inquiry. You can call the bank's 24-hour customer service hotline at 400-800-9888 and follow the prompts to make an inquiry.

2. SMS query. You can use the reserved mobile phone number to edit the short message "last four digits of CC limit # card number" to 95559, and you can query the current available limit and current withdrawal limit of the specified card.

3. Online banking inquiry. You can log on to Bank of Communications online banking and select a common account to check the available amount.

4. Bill inquiry. Cardholders can check the available amount of the current month on the credit card statements issued by various banks.

5, mobile phone client query. You can download and log in to the mobile client of Bank of Communications, and click on the account information to inquire about the available quota.