The utility model belongs to an acupoint selection ruler. The utility model relates to a ruler, in particular to a back acupoint-taking ruler. The ruler comprises a vertical rod, a movable shaft, a ruler sheet, a connecting sheet and a locking sheet, a plurality of movable shafts are arranged; the multiple movable shafts are arranged on the vertical rod at equal intervals. A plurality of inner holes for mounting the movable shaft are formed in the vertical rod; the movable shaft is slidably connected into the inner hole; two ruler pieces hinged to each other at the midpoint are hinged to the v...
