There are disclosed a laser projector configured to project an image to a back side of a screen and to detect a touch input, comprising a light source configured to irradiate at least one of red, green and blue lights, an infrared light emitting device configured to emit an infrared light to the screen, a light synthesis system configured to synthesize image information comprising color information for each pixel with the light irradiated from the light source so as to emit the synthesized light, a scanner configured to project the synthesized light toward the screen for each pixel, a detector configured to detect an infrared light reflected by an object approaching the screen, and a controller configured to control operations of the light source, the infrared light emitting device and the scanner and to recognize touch input based on the information detected by the detector, such that the laser projector that may perform the projection of the image to the screen and the touch recognition simultaneously may be provided, only to be small-sized.