Art textbooks generally require higher pictures. Under the same conditions, the printing effect of coated paper is obviously stronger than that of ordinary paper. Textbooks must accurately convey students' information. Isn't art the art of color and shape? A clear picture color is not necessarily accurate. One of the reasons for the low price of picture books published in China is the low degree of color reproduction. Compared with Monet's paintings, it is obvious. It is already very cheap to pursue good color effects with this paper.