The invention discloses a traverse pulling direction changing ratchet wheel wrench comprising a wrench body provided with a ratcheting piece, a clamping and drawing device and a change-over switch; wherein, the clamping and drawing device comprises two clamping and drawing pieces oppositely arranged; the two clamping and drawing pieces are respectively provided with a positioning part, a tooth and a linkage part; an elastomer is arranged between the two positioning parts; the change-over switch comprises a toggling button and a control piece; the toggling button is arranged on the wrench bodyin a traversal displacement mode; the control piece comprises two components; the toggling button is sheathed on the combining part of the control piece; the extending part of the control piece extends into the wrench body; two ends of the extending part are respectively with a guiding part; the two guiding parts lean against the linkage parts of the two clamping and drawing pieces; the guiding parts selectively drive the linkage parts so as to achieve the purpose that a single clamping and drawing piece is controlled to be meshed with the ratcheting piece or double clamping and drawing pieces are simultaneously meshed with the ratcheting piece.