A white printed paper book with good gloss. White coated paper is a kind of white printing paper with very smooth paper surface, high smoothness and good gloss. It is a high-grade printing paper made of base paper coated with white paint. It is mainly used for printing the covers and illustrations of high-end books and periodicals, that is to say, when this book is bound, it is a booklet with glue on the spine and then sticking the cover and the inner page together.