Abstract: This invention relates to a method for producing a building decoration material composite of liquid resin. By adding chemical additives to the mixed liquid resin and after heating and chemical reaction, and then solidify the on-process material, and again apply heating and then polished to be shaped. This method could be adopted to ensure the building decoration material for prevention of water and fire, minimizing the destruction and deterioration of material. The building material could be used to make toiletries kitchenware; craft gift and general merchandise etc.