The present disclosure relates to a BlueTooth (BT)-based identity recognition method and device, and belongs to the technical field of network security. The method includes that: a BT connection is established with a first terminal; a first user account of the first terminal is acquired through the BT connection; a first preset mapping table is searched for a first Identifier (ID) corresponding to the first user account, the first mapping table including a mapping relationship between at least one user account and at least one ID, each ID corresponding to a respective user account, and the mapping relationship being determined and sent to the smart equipment by a server; and a user identity corresponding to the first terminal is determined according to the first ID.