To provide an epoxy resin composition for forming a protecting film which forms a protecting film excellent in adhesion properties and visible light transmission and, even when the surface of a base material is not flattened, having high surface smoothness and, particularly, exhibits excellent high-temperature resistance when used as a protecting film of a colored resin film for a color filter for a liquid crystal display.

The epoxy resin composition comprises (1) a specific epoxy resin A, (2) a polyhydric phenolic compound bearing a cyclic terpene skeleton and (3) an imidazole curing accelerator.