The present invention relates to a dutiful chair . One embodiment of the invention the base plate ; Guide frame provided in the upward direction from the upper portion of the base plate ; Elevating member including the rotating shaft provided in the upper center portion of the base plate in an upward direction and a drive member for providing a rotating force to the rotating shaft; Coupled to the rotating shaft , a support frame for lifting or lowering along the guide frame; Seat plate coupled to the support frame toward the front of the base plate ; And provides a good son characterized in that the chair comprises a control unit for controlling the operation of the elevating member . According to an embodiment of the present invention , it is possible the effect of the height of the seat plate can be freely adjusted according to the needs of the user . ; 展开▼