Credit scoring refers to obtaining credit scores of different grades by using a certain credit scoring model according to the customer's credit history data. According to the customer's credit score, the lender can analyze the possibility of the customer's repayment on time. Accordingly, the lender can decide whether to grant the credit and the credit line and interest rate. Although the credit giver can get such analysis results by analyzing the customer's credit history data, but the use of credit score is faster, more objective and more consistent.