Note-book with pen in cover and having button

The utility model relates to a note-book with pen in cover and having button which is composed of a core book and an upper cover and a bottom cover which wrap the core book while a pen bag is molded on the book, and is characterized in that the open edge of the bottom cover is connected with an edge wrapping plate, a fastening belt is molded at the edge of the edge wrapping plate, a fastening ring is molded at the outside wall of the upper cover, and the fastening belt at the edge of the edge wrapping plate matches the fastening ring. The utility model provides the edge wrapping plate at the open edge of the book, and particularly the fastening belt on the edge wrapping plate is inserted into the fastening ring at the upper cover to fix the upper cover and the bottom cover of the open edge to make sure that the papers or other things which are placed in the book do not fall and be lost. If the pen bag is molded on the inside wall of the edge wrapping plate, the pen is hidden without occupying much space or allowing the pen to affect the hand feeling while holding the book.