The utility model belongs to the technical field of the irrigation equipment technique and specifically relates to a tobacco is planted and uses water -saving irrigating device, water pipe including the level setting, water pipe one end is equipped with the pipe cap, the water pipe other end is equipped with the water pump, the water pump bottom surface is connected with the inlet tube, the inlettube other end is inserted and is established in the well, the water pump passes through the wire and the power is connected, the water pipe top surface is equipped with a plurality of hoses, the water pipe below is equipped with a plurality of backup pads, backup pad bottom surface both ends all incline to be equipped with the supporting leg, top face of the supporting plate has seted up T type spout, be equipped with two T type sliders in the T type spout, every T type slider top surface all is equipped with the riser, the riser inboard is seted up flutedly, be equipped with the water pipe in two recesses, the riser top surface is equipped with locking mechanism. The utility model discloses well easy operation, convenient to use, water economy resource, low in labor strength.