China Construction Bank installment card is a special credit card product. Compared with ordinary credit cards, it is mainly used for installment consumption. Customers with installment cards can choose to pay their large consumption in installments, reducing the pressure of one-time payment. Ordinary credit cards are more widely used, and can be used for daily consumption, cash withdrawal, transfer and so on. Moreover, the credit line of comic books in installments is often low, which is suitable for small installment consumption, while the credit line of credit cards is relatively high, which can meet the consumption demand of large amounts.