The invention relates to the technical field of grinding equipment, in particular to an industrial grinding auxiliary machine. The industrial grinding auxiliary machine comprises a control mechanism and a grinder; the control mechanism comprises a base; a fixing plate is vertically arranged on the base and is provided with a servo motor; a rotating shaft is arranged on the servo motor and penetrates the fixing plate; a rotating plate is arranged on the end portion of the rotating shaft; limiting strips are uniformly arranged on the side wall of the rotating shaft; the rotating shaft is sleevedwith a moving base; a limiting groove is formed in the inner wall of the moving base; a connection ring is arranged on the side face of the moving base; an electric pushing rod is arranged between the connection ring and the rotating plate; a connection base is arranged on the upper side of the moving base; a first control rod is hinged to the connection base; a second control rod is hinged to the top end of the first control rod; and a connection plate is arranged on the side wall of the grinder, and is hinged to the top end of the second control rod. The industrial grinding auxiliary machine is simple in structure and convenient to operate, and the overall practicability is improved; and it is avoided that the grinder is held in hand, and the fatigue of a worker is relieved.