The invention discloses a flocking decoration wood-plastic plate and a preparation method thereof. The flocking decoration wood-plastic plate comprises a plate body. The plate body is composed of a flocking plate, reinforcing ribs and a shock absorption bottom plate. The flocking plate, the reinforcing ribs and the shock absorption bottom plate are of an integrated structure. The inner surface of the flocking plate and the inner surface of the shock absorption bottom plate are connected through the reinforcing ribs. Cavities are formed among the adjacent reinforcing ribs, the flocking plate and the shock absorption bottom plate. A plurality of flocking grooves are formed in the upper surface of the flocking plate and filled with flocking glue. Multiple pieces of long fluff are arranged on the flocking glue, so that the wood-plastic plate has the fluff covering effect, the touch feeling is soft, the stereoscopic impression of decoration is high, the flocking decoration wood-plastic plate is suitable for reflecting warm and fragrant characteristics of the living environment, meanwhile, warm keeping and comfortable special effects are also achieved, the structure is stable, impact resistance is high, and market application and popularization are facilitated.