A laser projection apparatus, characterized in that the laser projection apparatus comprises: a first laser array configured to emit first laser beams of a first color; a second laser array configured to emit second laser beams of the first color; a first light-combining component configured to make the first laser beams and the second laser beams advance along a first direction; wherein the first laser array and the second laser array are arranged perpendicular to each other, and the first light-combining component is configured to transmit the first laser beams and reflect the second laser beams; a third laser array configured to emit third laser beams of a second color; a fourth laser array configured to emit fourth laser beams of a third color; a second light-combining component configured to make the third laser beams and the fourth laser beams advance along a second direction; wherein the third laser array and the fourth laser array are arranged perpendicular to each other, and the second light-combining component is configured to transmit the third laser beams and reflect the fourth laser beams; a beam-combining component located on an optical path of the first laser beams and the second laser beams emitted from the first light-combining component and on an optical path of the third laser beams and the fourth laser beams emitted from the second light-combining component, wherein the beam-combining component is configured to make the first laser beams and the second laser emitted from the first light-combining component, and the third laser beams and the fourth laser beams emitted from the second light-combining component advance along a third direction, wherein the first color, the second color and the third color are different from each other, and each of the first color, the second color and the third color is one of a red, green and blue color. a first laser array configured to emit first laser beams of a first color; a second laser array configured to emit second laser beams of the first color; a first light-combining component configured to make the first laser beams and the second laser beams advance along a first direction; wherein the first laser array and the second laser array are arranged perpendicular to each other, and the first light-combining component is configured to transmit the first laser beams and reflect the second laser beams; a third laser array configured to emit third laser beams of a second color; a fourth laser array configured to emit fourth laser beams of a third color; a second light-combining component configured to make the third laser beams and the fourth laser beams advance along a second direction; wherein the third laser array and the fourth laser array are arranged perpendicular to each other, and the second light-combining component is configured to transmit the third laser beams and reflect the fourth laser beams; a beam-combining component located on an optical path of the first laser beams and the second laser beams emitted from the first light-combining component and on an optical path of the third laser beams and the fourth laser beams emitted from the second light-combining component, wherein the beam-combining component is configured to make the first laser beams and the second laser emitted from the first light-combining component, and the third laser beams and the fourth laser beams emitted from the second light-combining component advance along a third direction, wherein the first color, the second color and the third color are different from each other, and each of the first color, the second color and the third color is one of a red, green and blue color.