The invention discloses an Internet one-finger-identification payment method and system. The method comprises the following steps: a one-finger-identification account is registered through user identity information, the one-finger-identification account is charged, a fingerprint transmission processor sends obtained information of a money amount needing to be paid and fingerprint information to a one-finger-identification service platform processor in a payment process, the one-finger-identification service platform processor obtains the user identity information corresponding to the fingerprint information according to the fingerprint information and then obtains user account information, the money amount needing to be paid is deducted in the user account information according to the money amount needing to be paid then, details that the money amount needing to be paid is deducted are recorded in the user account information, and deduced money amount information and balance information are then fed back to the fingerprint transmission processor. Payment is performed through verification of the fingerprint information, the method and the system have high safety, other additional equipment do not need to be carried, and convenience is provided for a user when the payment is performed.