A projection screen, comprising a screen substrate and a plurality of light reflecting portions, wherein the light reflecting portion is arranged on an incident side of the screen substrate, and has a first surface and a second surface that face different directions, the first surface facing an incident direction of projection light, and the plurality of light reflecting portions are continuously arranged on the screen substrate to form a structure of sawtooth shape, wherein a light absorbing layer is provided on the second surface; and a wavelength-selection filter layer is provided on the first surface, and the wavelength-selection filter layer is configured to reflect the projection light and transmit and absorb at least part of ambient light.