An optical display system, comprising: a display screen; a light split member configured to split light from the display screen into a first polarized light and a second polarized light with different polarization directions; a first optical waveguide configured to guide the first polarized light to a light exit side of the optical display system; and a second optical waveguide located at a light exit side of the first optical waveguide, spaced apart from the first optical waveguide, and configured to at least partially transmit the first polarized light and guide the second polarized light to the light exit side of the optical display system; characterized by further comprising: a first light valve disposed between the light split member and the first optical waveguide and configured to transmit the first polarized light in a case where the display screen displays a distant view screen, and not transmit the first polarized light in a case where the display screen displays a near view screen; a second light valve disposed between the light split member and the second optical waveguide and configured to transmit the second polarized light in the case where the display screen displays the near view screen, and not transmit the second polarized light in the case where the display screen displays the distant view screen; and a lens assembly configured to control an optical power of the first polarized light and an optical power of the second polarized light, so that imaging screens during imaging with the first polarized light and the second polarized light respectively by the optical display system are at different virtual image planes. a display screen; a light split member configured to split light from the display screen into a first polarized light and a second polarized light with different polarization directions; a first optical waveguide configured to guide the first polarized light to a light exit side of the optical display system; and a second optical waveguide located at a light exit side of the first optical waveguide, spaced apart from the first optical waveguide, and configured to at least partially transmit the first polarized light and guide the second polarized light to the light exit side of the optical display system; characterized by further comprising: a first light valve disposed between the light split member and the first optical waveguide and configured to transmit the first polarized light in a case where the display screen displays a distant view screen, and not transmit the first polarized light in a case where the display screen displays a near view screen; a second light valve disposed between the light split member and the second optical waveguide and configured to transmit the second polarized light in the case where the display screen displays the near view screen, and not transmit the second polarized light in the case where the display screen displays the distant view screen; and a lens assembly configured to control an optical power of the first polarized light and an optical power of the second polarized light, so that imaging screens during imaging with the first polarized light and the second polarized light respectively by the optical display system are at different virtual image planes. a first light valve disposed between the light split member and the first optical waveguide and configured to transmit the first polarized light in a case where the display screen displays a distant view screen, and not transmit the first polarized light in a case where the display screen displays a near view screen; a second light valve disposed between the light split member and the second optical waveguide and configured to transmit the second polarized light in the case where the display screen displays the near view screen, and not transmit the second polarized light in the case where the display screen displays the distant view screen; and a lens assembly configured to control an optical power of the first polarized light and an optical power of the second polarized light, so that imaging screens during imaging with the first polarized light and the second polarized light respectively by the optical display system are at different virtual image planes.