There are a variety of measures to change the color of fresh water decorative concrete. The main measures are to add pigment to the surface of concrete products to make a layer of color decorative layer, or to spray a layer of suitable and durable paint on the surface of concrete. The effective measure to change the color on the concrete of aggregate decoration and coagulation is to use the cement or aggregate with bright color. This method can not only obtain better color, but also the aggregate color is stable, pollution-resistant and has good durability. White cement, colored cement or colored aggregate are most commonly used in architectural decoration engineering.