A multifunctional book-rest having a jaw support is provided to enable a user to read a book comfortably without lifting the book during hair treatment in a beauty salon. A multifunctional book-rest comprises: a moving frame(100) having a moving bar(110) and rolling wheels(120); a support frame(200) comprising a lifting bar and a support bar(220); a book-rest(300) combined with the support frame respectively, which comprises a base bar(310) and a base plate(330); and a jaw support(400) comprising a base supporting bar(410) projected vertically from the center of the support bar and a base implement(420) rotatably established on the upper end of the base supporting bar.
