Illustration has been developing a plethora of styles and motifs for quite a long time form ancient cave frescoes, north Indian pictograph, Japan Kawaraban(pottery pieces) news, and the Ukiyo-e till nowadays. This thesis is discussing the hand-made illustrations used in picture books in contemporary Taiwan. The illustrations in picture books are built by kinds of media and are classified by styles. Those creative styles and media are constructing stories to people. The media in picture books can be defined as hand-made, computer-made and multi-medias. Most of the ways are hand-made, which include pencil, pastel, oil painting, acrylic, crayon, multi-media and any way combines all the listed together. This thesis is to collect the illustrations of contemporary picture books published in Taiwan, to discuss the cases by the point of view of skill and style, and to classify those applications into illustrations of picture books.