The invention discloses an intelligent carbon brush grinding device which comprises a box body and a tool bit located in the box body, wherein a motor for driving the tool bit to rotate and an X-axisstepping mechanism for driving the tool bit to move in a horizontal X direction are arranged in the box body; the box body is provided with a clamp and a Y-axis stepping mechanism for driving the clamp to move in a horizontal Y-axis direction below the tool bit; the moving direction of the clamp is perpendicular to the moving direction of the tool bit; a carbon powder collecting system is arrangedat the bottom of the box body; and a control system for adjusting the X-axis stepping mechanism and the Y-axis stepping mechanism is arranged at the top of the box body. The invention aims to providean intelligent carbon brush grinding device which can reduce the processing difficulty, reduce the labor intensity and improve the working efficiency.