The complete structure of picture books includes: cover, ring lining, title page, text and back cover. A picture book, from cover, ring lining, title page, text to back cover, is like a movie, which can completely convey the information of the book from title, preface, content to end. Picture book, a foreign word, is taken from the Chinese character Sakamoto in Japanese picture books. As the name implies, it is "drawing a book", which refers to a book with painting as the main part and a few words attached. Picture books can not only tell stories and learn knowledge, but also help children build spiritual world and cultivate multiple intelligences. Picture books are the first choice for children's books in developed countries, and it is internationally recognized that "picture books are the most suitable books for children to read".