The embodiment of the invention discloses an external Bluetooth equipment driving system for a set-top box, which comprises a Bluetooth protocol module, a Bluetooth interface module, an equipment driving module, a Bluetooth equipment module and a loading module, wherein the Bluetooth protocol module is used for realizing a higher-layer application service; the Bluetooth interface module is used for finishing the detection of Bluetooth hardware equipment, initialization of an embedded interface module and the like; the equipment driving module is used for establishing a physical link for Bluetooth equipment, establishing an L2CAP logic link, preparing for data communication between the equipment, waiting for data transmission and receiving events, starting the data communication, calling different functions according to transmission and receiving types, and after the transmission and receiving processing of data is finished, canceling the link and resetting each parameter of the system; the Bluetooth equipment module corresponds to each Bluetooth hardware equipment; and the loading module is used for realizing the loading of an external Bluetooth equipment driving module for the set-top box, and realizing the sharing of all Bluetooth equipment under the condition of not installing various Bluetooth equipment drivers. The external Bluetooth equipment driving system for the set-top box achieves Bluetooth equipment driving universality and equipment compatibility.