The credit card limit of Bank of Communications is determined according to the qualification of the applicant. Generally, the credit card limit is within 6,543,800 yuan, the gold card limit is between 6,543,800 yuan and 50,000 yuan, and the platinum card limit is above 50,000 yuan. There is no difference between the credit card of Bank of Communications and the gold card itself, and the upper limit is the same, both of which are 50,000 yuan. The initial credit card limit will be relatively low. The gold card is higher. If you apply for a credit card with an annual salary of10.2 million, you will generally approve ordinary cards with an annual salary of 25,000-80,000. There is no difference in the actual use of gold cards with an annual salary of more than 80 thousand yuan. After half a year of normal use, the credit limit will be adjusted according to the cardholder's usage and consumption amount. If you need it urgently, you can also call the customer service hotline on the back of the credit card to increase the temporary credit limit by up to 200,000 yuan.