A light guide type pain reliever includes a handle (200) including a barrel (1) accommodating a battery (100), a rear end cap (2) and a front end cap (4) respectively capped on two opposite ends of the barrel (1), a pushbutton (21) mounted in the rear end cap (2) and a switching connector (3) mounted in the rear end cap (2) and electrically connected to the battery (100) and drivable by the pushbutton (21) to switching on/off the battery (100), a holder shell (5) connected to the front end cap (4) and electrically coupled to the battery (100) and having electrically connected thereto a vibrator (55) and a light-emitting device (57), an adapter (6) connected to the holder shell (5), and a light guide plate (7) connected to adapter (6) guiding out light rays emitted by the light-emitting device (57).
