The solution to credit card non-acceptance is to call the bank’s credit card service hotline and follow the prompts to enter the manual service to inquire about the reason. Or go to a bank branch to inquire about the situation and ask the bank to provide a solution. Non-acceptance of China Construction Bank's credit card means that the credit card cannot be swiped for consumption. The reason why the credit card is not accepted is usually because the maximum overdraft limit is exceeded, the credit card limit is insufficient, the credit card is frozen, there is a problem with the network system of the POS machine, some cards do not support off-site cashing, etc.