The utility model discloses a damping protective screen used for underground supporting operation of a mine. The damping protective screen used for the underground supporting operation of the mine is characterized in that an auxiliary supporting arm is arranged at one end of an arc-shaped supporting arm, the other end of the arc-shaped supporting arm is arranged on a fixed plate, a fixed supporting arm is arranged on one side of the fixed plate, connecting buckles are arranged on the auxiliary supporting arm, adjusting buckles are arranged on an adjusting supporting arm, the connecting buckles are connected with the adjusting buckles through auxiliary connecting springs, fixed buckles are arranged on a connecting supporting arm and are connected with the adjusting buckles through connecting and adjusting springs, the adjusting buckles are connected with the fixed plate through adjusting and fixing springs, one end of an auxiliary hydraulic arm is arranged on an adjusting supporting arm, the other end of the auxiliary hydraulic arm is connected with one end of an auxiliary hydraulic cylinder, the other end of the auxiliary hydraulic cylinder is connected with the arc-shaped supporting arm, one end of a main hydraulic arm is arranged on the connecting supporting arm, and the other end of the main hydraulic arm is connected with one end of a main hydraulic cylinder, and the other end of the main hydraulic cylinder is connected with the arc-shaped supporting arm.