The invention discloses a card-not-present payment method and system. The method includes steps: performing payment operation in response to a deposit code request input by a user, and requesting the user to input a corresponding deposit password; after obtaining the deposit password input by the user, determining whether the deposit password and the deposit code are successfully matched; and obtaining a payment amount required to be paid by the user in response to the condition of successful matching, and performing payment charge on the cash amount associated with the deposit code. According to the method and system, payment is performed by employing the deposit code and the deposit password, a bank card is avoided, the confidentiality is good, information leakage is avoided, the security is high, and the method and system can be applied to the financial payment industry.