Abstract: A multifunctional rotatable stand frame for a tablet electronic device comprises a seat; a bottom of the seat serving to connect a back side of the tablet electronic device; a disk positioned above an upper side of the seat and being rotatably installed to the seat; a center of the disk having a through hole; a fixing shaft installed on the seat and penetrating through the through hole of the disk; the upper side of the seat forming with a circular wall; the fixing shaft being located at a center of the circular wall; an inner side of the circular wall forming with a plurality of trenches; a buckling ring installed at a bottom side of the disk and surrounding an outside of the through hole; the buckling ring being engaged to an inner side of the circular wall.