A near-eye display apparatus (100, 100A, 100B, 100C, 100D) suitable for providing a combined light beam (LC, LC1, LC2) to a user, the near-eye display apparatus (100, 100A, 100B, 100C, 100D) comprising: at least one display unit (105, 105A, 105B), suitable for providing the combined light beam (LC, LC1, LC2), the display unit (105, 105A, 105B) comprising: a display element, suitable for providing a light beam, the light beam comprising a first light beam (L1, L11, L21) and a second light beam (L2, L12, L22) having different image information and different polarization states; and an optical system (120, 120A) having an optical axis, provided on a transmission path of the light beam, and comprising a first semi-reflective element, a first polarization conversion element, and a polarization reflector arranged in sequence along the optical axis, wherein the polarization reflector is suitable for allowing a light beam having a first polarization state to pass and reflecting a light beam having a second polarization state, each of the two light beams following a respective light path, the light path of the second light beam (L2, L12, L22) is greater than the light path of the first light beam (L1, L11, L21), an image distance of the second light beam (L2, L12, L22) is greater than an image distance of the first light beam (L1, L11, L21), and the first light beam (L1, L11, L21) and the second light beam (L2, L12, L22) are emitted by the at least one display unit (105, 105A, 105B) in order to form the combined light beam (LC, LC1, LC2). at least one display unit (105, 105A, 105B), suitable for providing the combined light beam (LC, LC1, LC2), the display unit (105, 105A, 105B) comprising: a display element, suitable for providing a light beam, the light beam comprising a first light beam (L1, L11, L21) and a second light beam (L2, L12, L22) having different image information and different polarization states; and an optical system (120, 120A) having an optical axis, provided on a transmission path of the light beam, and comprising a first semi-reflective element, a first polarization conversion element, and a polarization reflector arranged in sequence along the optical axis, wherein a display element, suitable for providing a light beam, the light beam comprising a first light beam (L1, L11, L21) and a second light beam (L2, L12, L22) having different image information and different polarization states; and an optical system (120, 120A) having an optical axis, provided on a transmission path of the light beam, and comprising a first semi-reflective element, a first polarization conversion element, and a polarization reflector arranged in sequence along the optical axis, wherein the polarization reflector is suitable for allowing a light beam having a first polarization state to pass and reflecting a light beam having a second polarization state, each of the two light beams following a respective light path, the light path of the second light beam (L2, L12, L22) is greater than the light path of the first light beam (L1, L11, L21), an image distance of the second light beam (L2, L12, L22) is greater than an image distance of the first light beam (L1, L11, L21), and the first light beam (L1, L11, L21) and the second light beam (L2, L12, L22) are emitted by the at least one display unit (105, 105A, 105B) in order to form the combined light beam (LC, LC1, LC2).