Binding a credit card has no impact on Alipay. To a certain extent, credit cards and Huabei still compete. However, if the credit card is overdue, or the credit card repayment is automatically deducted from Yu'ebao, it is not conducive to increasing the credit limit. However, using the credit card on Taobao or using Alipay products can increase the credit limit. I usually use Alipay and Ant Huabei for consumption, and repay the money on time. You can deposit idle funds into Yu'E Bao, and you can increase your credit limit. Check whether your personal information has been entered comprehensively. The most important ones are social security, provident fund, work, education, and fixed assets such as real estate information. Alipay and Ant Financial Do you frequently change your fixed investment or fund, and your mobile phone number? It is best to keep your Taobao address fixed for one or two months. Generally, only three bank cards can be bound, but bank cards that are not used or have no money should not be bound. Binding property fees, electricity bills, home gas bills, etc. will help improve your Sesame Credit score. Using Alipay to buy air tickets and recharging can increase your credit limit, and your passport and driver's license are included in the card holder. You usually use Alipay to donate, or you can donate one yuan every month. It will help the system evaluate you with big data. There are too many. I wish you good luck. To be honest, 600 points is too low. Are you very young?