An ozone functions handset is to provide a sterilizer to a certain handset. Select a place inside the handset, best near the mouthpiece to install a small sized ozone gas producing unit, to start up the ozone gas producing unit by directly using the internal power supply of the phone, then the ozone gas emanates from the eyelets in the shell of the handset, as to sterilize and disinfect the nearby environment and the handset itself, and purify the atmosphere around.