Face payment device, method and system and machine readable storage medium

The embodiment of the invention provides a face payment device, method and system and a machine readable storage medium. The face payment device comprises a first face information identification unitused for receiving first face information of one or more persons in a place and comparing the first face information with a pre-stored public database to obtain person identity information matched with the first face information; a second face information identification unit used for receiving second face information of a person to be paid at a payment place, and comparing the second face information with the first person identity information to obtain second person identity information matched with the second face information; and a payment unit used for executing the transaction according tothe second personnel identity information matched with the second face information of the to-be-paid personnel and the user payment instruction, so that the problems that the user queues to wait forface recognition and takes