The utility model discloses an oral care stick convenient to change, including the barred body, it has the bull stick to peg graft in the jack, and rotates between bull stick and the barred body and be connected, the lower extreme of bull stick is equipped with and changes the piece, threaded hole is seted up to the upper end of bull stick, and threaded hole pegs graft and to have spiral shell rasp bar, spiral shell rasp bar's upper end is equipped with the connecting block, and is connected through pressure spring between the lower extreme of the upper end of connecting block and clamp plate,and the right -hand member of two connecting rods is connected with the wire drawing, and the lateral wall that the right -hand member of wire drawing passed the barred body is connected with the lower extreme of clamp plate. This oral care stick convenient to change holds the barred body, and the thumb pushes down the bag carriage, the wire drawing retraction, and under the effect of back -moving spring, the two grip block opens, just can put into absorbent cotton, loosens the bag carriage, and under pressure spring's effect, the right -hand member of connecting rod is drawn, and lever principle just can compress tightly between the grip block, and mutual staggered rack prevents then that absorbent cotton from droing from top to bottom, changes simply convenient to use.