To provide an epoxy resin adhesive composition capable being removable by an acid as the performance of the epoxy resin adhesive is left to solve such problems that a temporary adhesive comprising a thermally melting resin, a water soluble resin, a solvent soluble resin, an alkali aqueous solution soluble resin, an acid soluble resin or the like has boh of good and poor points and is used to correspond to an adherend or a treatment and as the acid removal adhesive, an epoxy resin having degraded performance is used.

The epoxy resin adhesive contains a metal carbonate and an alkali metal carbonate or an alkaline earth metal carbonate is used as the metal carbonate.