To provide an automotive glass detaching tool capable of easily and safely detaching an automotive glass attached to a frame across a rubber.

In this automotive glass detaching tool, a shaft A1 to be freely changed in the direction by bringing the inclined surface of a pad 10 into contact with an automotive glass and having the pad on the tip and a shaft B2 are connected to each other by an adjusting screw 4, the adjusting screw 4 is rotated by a handle 5, and the shaft A1 and the shaft B2 are assembled to each other so as to be extended or contracted. A shaft C3 connected to the shaft B2 is connected extensibly and detachably by changing the position for a hole of a bolt 6, a fitting 7 provided on the tip of the shaft C3 is brought into contact with a stopper provided on a flat surface of a shaft receiver by placing the shaft receiver on a seat of the automobile, the pad 10 is allowed to abut on the automotive glass, the handle 5 is rotated to extend the shaft, and the glass can be removed by being pressed from the inside.