The utility model relates to a bluetooth earphone and handset integrated machine. A bluetooth earphone can be used individually and realize voice frequency functions such as voice communication through bluetooth communication. In particular, when an earplug expands into a straight line through a hinge rotating shaft, the bluetooth earphone can be inserted into an assembling neck of a handset, and meanwhile an earphone sound hole of the bluetooth earphone directly faces a handset receiver sound hole. Whether in a bluetooth mode or a common receiver mode, the handset can normally perform voice conversation or other voice frequency operations; the bluetooth earphone and handset integrated machine can be widely applied to a handset or an intelligent terminal.