To provide a paint composition for metal that has excellent polyolefin adhesion to the retort treatment compared with the conventional polypropylene adhesive paint, particularly the adhesion to the liner material including polypropylene resin that is used on the inner face of the cap that is used in the vessel having screw formed on the outer periphery of the mouth part.

The paint composition for metal comprises (A) bisphenol type epoxy resin, (B) a curing agent, (C) a wax component, and (D) polypropylene resin particles having an average particle sizes of 3 to 20 μm.