You don't need to enter a password when using a credit card. However, because the popularity of credit cards in China is later than that of savings cards, most people think that the password of credit card consumption is a guarantee of security. Therefore, the issuing bank basically provides cardholders with the password option of domestic UnionPay line credit card consumption. Many credit cards don't have passwords, and cardholders need to call the bank to apply for them. In this way, in the domestic UnionPay line consumption, the cardholder needs to enter the password to successfully trade, which increases the security.