To use resources efficiently and to reduce production costs by recycling glass plates of a pair by peeling the glass plates with a resin set between them from each other or dissolving the resin in a car safety glass.

In a method for peeling the glass plates of a pair with the resin set between them in the car safety glass, the safety glass main body is immersed in a potassium oxide solution, a sodium oxide solution, a sulfuric acid solution, a hydrogen peroxide aqueous solution, or the like, the resin is peeled off or dissolved, so that the glass plates can easily be separated from each other.