The auxiliary guide device comprises a bottom column, a supporting frame is fixed to the bottom end of the bottom column, foot rest plates are symmetrically fixed to the supporting frame, a transverse rod is fixed to the top of the side wall of the bottom column, and a seat plate
assembly is arranged on the transverse rod; the movable column is arranged on the upper portion of the bottom column in a sliding mode. A patient can
sit up conveniently through the arranged seat plate
assembly, meanwhile, the position of the seat plate
assembly can be adjusted, so that the patient can be examined in a comfortable
sitting posture, the arranged foot rest plate can facilitate the patient to place feet, and the arranged lifting mechanism can adjust the extending length of the movable column; therefore, the mouth of the patient can be exactly aligned with the position of the guide
pipe, the patient with different heights can be met, the application range is wide, the arranged supporting plate assembly can support the jaw of the patient, the
physical strength of the patient is saved, meanwhile, the position of the supporting plate assembly can be adjusted, and the patient with different facial forms can be met.