An augmented reality display device comprising: a projection source module comprising a projection source; a first optical path module comprising a first beamsplitter and a first reflector; and a second optical path module comprising a second beamsplitter and a second reflector, wherein the first beamsplitter and the second beamsplitter each comprise a beamsplitter substrate, and the first reflector and the second reflector each comprise a reflective film, wherein the first beamsplitter and the second beamsplitter each are configured as polarizing beamsplitters comprising a polarizing beamsplitting film, and a first wave plate subassembly and a second wave plate subassembly are disposed between the first beamsplitter and the first reflector of the first optical path module and between the second beamsplitter and the second reflector of the second optical path module, respectively, wherein the polarizing beamsplitting film is configured to allow a polarized light in a first direction to pass through while reflecting a polarizing light in a second direction, the first direction being perpendicular to the second direction, wherein the second beamsplitter further comprises a polarizing film being configured for passing through the polarized light in the first direction and absorbing the polarized light in the second direction, wherein the projection source module is adapted to emit virtual image light carrying virtual image information that passes through the first optical path module first, in which it is reflected at least twice and transmitted at least once by means of the first beamsplitter and the first reflector, then enters the second optical path module, in which it is transmitted at least once and reflected at least twice by means of the second beamsplitter and the second reflector, and enters a human eye, wherein the first reflector of the first optical path module and the second reflector of the second optical path module have first and second optical axes, respectively, and the first and second optical axes intersect a beamsplitting side of the first beamsplitter and a beamsplitting side of the second beamsplitter at two points, respectively, wherein a principal axis passes through the two points, wherein the second beamsplitter of the second optical path module is configured such that its beamsplitting side forms a first angle α with the second optical axis of the second reflector and forms a second angle β with the principal axis, wherein a range of the angle α is between β-10° and β+10, and the angle β is between 11° and 79°, and wherein scene light from a real scene can enter a human eye through the second optical path module. a projection source module comprising a projection source; a first optical path module comprising a first beamsplitter and a first reflector; and a second optical path module comprising a second beamsplitter and a second reflector, wherein the first beamsplitter and the second beamsplitter each comprise a beamsplitter substrate, and the first reflector and the second reflector each comprise a reflective film, wherein the first beamsplitter and the second beamsplitter each are configured as polarizing beamsplitters comprising a polarizing beamsplitting film, and a first wave plate subassembly and a second wave plate subassembly are disposed between the first beamsplitter and the first reflector of the first optical path module and between the second beamsplitter and the second reflector of the second optical path module, respectively, wherein the polarizing beamsplitting film is configured to allow a polarized light in a first direction to pass through while reflecting a polarizing light in a second direction, the first direction being perpendicular to the second direction, wherein the second beamsplitter further comprises a polarizing film being configured for passing through the polarized light in the first direction and absorbing the polarized light in the second direction, wherein the projection source module is adapted to emit virtual image light carrying virtual image information that passes through the first optical path module first, in which it is reflected at least twice and transmitted at least once by means of the first beamsplitter and the first reflector, then enters the second optical path module, in which it is transmitted at least once and reflected at least twice by means of the second beamsplitter and the second reflector, and enters a human eye, wherein the first reflector of the first optical path module and the second reflector of the second optical path module have first and second optical axes, respectively, and the first and second optical axes intersect a beamsplitting side of the first beamsplitter and a beamsplitting side of the second beamsplitter at two points, respectively, wherein a principal axis passes through the two points, wherein the second beamsplitter of the second optical path module is configured such that its beamsplitting side forms a first angle α with the second optical axis of the second reflector and forms a second angle β with the principal axis, wherein a range of the angle α is between β-10° and β+10, and the angle β is between 11° and 79°, and wherein scene light from a real scene can enter a human eye through the second optical path module.