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