White porcelain plates are not blue and white. The main components of white porcelain board are SiO2 _ 2 and Al _ 2O _ 3, and the raw material of blue and white porcelain is cobalt oxide. Blue and white are the raw materials for painting.

According to the glaze color of porcelain, it can be divided into celadon and white porcelain, and according to the color performance of porcelain, it can be divided into monochrome porcelain, blue-and-white porcelain, pastel porcelain, light crimson porcelain, enamel porcelain and so on.