A display system, comprising: a light source device; an optical processing assembly; a reflection device; and a light modulator; wherein the light source device is configured to emit a plurality of light beams, the optical processing assembly comprises a set of first relay lenses, lenses; a light-homogenized rod unit and a set of second relay lenses, lenses; wherein the set of first relay lenses is configured to converge the plurality of light beams from the light source device to the light-homogenized rod unit, the light-homogenized rod unit is configured to perform homogenization on each light beam from the set of first relay lenses and transmit the light beam to the set of second relay lenses, and the set of second relay lenses is configured to adjust each light beam from the light-homogenized rod unit such that each light beam is irradiated on the reflection device in a preset light-cone angle, the reflection device is configured to reflect the plurality of light beams from the optical processing assembly to the light modulator, and the light modulator comprises a plurality of sets of controllable units, each light beam reflected by the reflection device corresponds to a respective set of the plurality of sets of controllable units, and the light modulator is configured to control one or more controllable units in the respective set of controllable units to modulate the light beam corresponding to the set of controllable units, so as to emit desired display light, characterized in that a central axis direction between the light source device and the set of first relay lenses is a first direction, and a central axis direction between lenses of the set of second relay lenses is a second direction, and the first direction and the second direction are offset from each other by a preset angle of inclination. a light source device; an optical processing assembly; a reflection device; and a light modulator; wherein the light source device is configured to emit a plurality of light beams, the optical processing assembly comprises a set of first relay lenses, lenses; a light-homogenized rod unit and a set of second relay lenses, lenses; wherein the set of first relay lenses is configured to converge the plurality of light beams from the light source device to the light-homogenized rod unit, the light-homogenized rod unit is configured to perform homogenization on each light beam from the set of first relay lenses and transmit the light beam to the set of second relay lenses, and the set of second relay lenses is configured to adjust each light beam from the light-homogenized rod unit such that each light beam is irradiated on the reflection device in a preset light-cone angle, the reflection device is configured to reflect the plurality of light beams from the optical processing assembly to the light modulator, and the light modulator comprises a plurality of sets of controllable units, each light beam reflected by the reflection device corresponds to a respective set of the plurality of sets of controllable units, and the light modulator is configured to control one or more controllable units in the respective set of controllable units to modulate the light beam corresponding to the set of controllable units, so as to emit desired display light, characterized in that a central axis direction between the light source device and the set of first relay lenses is a first direction, and a central axis direction between lenses of the set of second relay lenses is a second direction, and the first direction and the second direction are offset from each other by a preset angle of inclination.