Secure payment method and system based on face recognition

The invention discloses a safety payment method based on face recognition, which comprises the following steps: S1, a consumer inputs face information, a total server acquires account information corresponding to the face information, and a payment account is used as first account information to be associated with a recognizer; s2, starting the payment device, and executing S3; s3, the payment device obtains the face information of the consumer, searches a payment account corresponding to the face information, takes the account information as second account information, the total server obtains first account information associated with the ID information of the recognizer, judges whether the first account information and the second account information are the same or not, and if yes, the payment device sends the payment information to the consumer; if so, sending the to-be-paid data to a payment account of the second account information, and automatically deducting fees from the payment account; if not, sendi