The invention discloses a high-contrast LCD (liquid crystal display) projector, which comprises a light source (1), a red light filter (21), a red light reflecting mirror (31), a red light LCD panel (41), a blue right filter (22), a green light LCD panel (42) and a blue light LCD panel (43), wherein the red light filter (21) is positioned in the emission direction of the light source (1); the red light reflecting mirror (31) is positioned in the transmission direction of the red light filter (21); the red light LCD panel (41) is positioned in the reflecting direction of the red light reflecting mirror (31); the blue right filter (22) is positioned in the reflecting direction of the red light filter (21); the green light LCD panel (42) is positioned in the reflecting direction of the blue right filter (22); the blue light LCD panel (43) is positioned in the reflecting direction of a second blue light reflecting mirror (33); the red light LCD panel (41), the green light LCD panel (42) and the blue light LCD panel (43) sequentially comprises a square LCD sub panel (71), an arc-shaped LCD sub-panel (72), a vacuum region (73) and an arc-shaped lens panel (74) according to the light ray propagation direction. The high-contrast LCD projector provided by the invention has the advantages that the contrast is high; the cost is low; the improvement is simple.