A Bluetooth device, comprising: a Bluetooth module, configured to communicate with another Bluetooth device, wherein the Bluetooth module comprises a Bluetooth host and a Bluetooth application; and the Bluetooth module further comprises one or more processors; and a memory, wherein the memory comprises instructions which, when executed by the one or more processors, cause the Bluetooth device to perform the following operations: searching (S301, S302) for an available Bluetooth device; receiving, by the Bluetooth host, advertising information sent by the available Bluetooth device, wherein the available Bluetooth device comprises a first Bluetooth device, and advertising information of the first Bluetooth device comprises Universally Unique Identifier, UUID, information of a service supported by the first Bluetooth device; storing and parsing, by the Bluetooth host, the UUID information that is of the service supported by the first Bluetooth device and that is comprised in the advertising information of the first Bluetooth device; instructing the Bluetooth host to pair with the first Bluetooth device; pairing, by the Bluetooth host, with the first Bluetooth device; after the pairing succeeds, reporting, by the Bluetooth host, pairing information to the Bluetooth application, wherein the pairing information comprises the UUID information of the service supported by the first Bluetooth device; and selecting, according to an instruction of the Bluetooth application, the service supported by the first Bluetooth device, and establishing a service connection to the first Bluetooth device based on the UUID information of the selected service supported by the first Bluetooth device. a Bluetooth module, configured to communicate with another Bluetooth device, wherein the Bluetooth module comprises a Bluetooth host and a Bluetooth application; and the Bluetooth module further comprises one or more processors; and a memory, wherein the memory comprises instructions which, when executed by the one or more processors, cause the Bluetooth device to perform the following operations: searching (S301, S302) for an available Bluetooth device; receiving, by the Bluetooth host, advertising information sent by the available Bluetooth device, wherein the available Bluetooth device comprises a first Bluetooth device, and advertising information of the first Bluetooth device comprises Universally Unique Identifier, UUID, information of a service supported by the first Bluetooth device; storing and parsing, by the Bluetooth host, the UUID information that is of the service supported by the first Bluetooth device and that is comprised in the advertising information of the first Bluetooth device; instructing the Bluetooth host to pair with the first Bluetooth device; pairing, by the Bluetooth host, with the first Bluetooth device; after the pairing succeeds, reporting, by the Bluetooth host, pairing information to the Bluetooth application, wherein the pairing information comprises the UUID information of the service supported by the first Bluetooth device; and selecting, according to an instruction of the Bluetooth application, the service supported by the first Bluetooth device, and establishing a service connection to the first Bluetooth device based on the UUID information of the selected service supported by the first Bluetooth device. searching (S301, S302) for an available Bluetooth device; receiving, by the Bluetooth host, advertising information sent by the available Bluetooth device, wherein the available Bluetooth device comprises a first Bluetooth device, and advertising information of the first Bluetooth device comprises Universally Unique Identifier, UUID, information of a service supported by the first Bluetooth device; storing and parsing, by the Bluetooth host, the UUID information that is of the service supported by the first Bluetooth device and that is comprised in the advertising information of the first Bluetooth device; instructing the Bluetooth host to pair with the first Bluetooth device; pairing, by the Bluetooth host, with the first Bluetooth device; after the pairing succeeds, reporting, by the Bluetooth host, pairing information to the Bluetooth application, wherein the pairing information comprises the UUID information of the service supported by the first Bluetooth device; and selecting, according to an instruction of the Bluetooth application, the service supported by the first Bluetooth device, and establishing a service connection to the first Bluetooth device based on the UUID information of the selected service supported by the first Bluetooth device.