PURPOSE: A bag equipped with a book board is provided to enable a user to read a book or take a memo while moving a bag on his/her back. CONSTITUTION: A bag equipped with a book board comprises a bag body(10), an arm part, a pivot part(30), and a support part(40). The arm part is combined with one side of the bag body in order to pivot upward and downward. The pivot part is combined with the end of the arm part in order to pivot clockwise or counter clockwise. The support part is combined a end of the pivot part in order to pivot upward and downward. The arm part is comprised of a connection part and a body part.