To provide a PVA resin composition having excellent melt moldability which enables to form a film superior in transparency without the occurrence of an odor during melt molding or leaving an odor on a product, and enables to obtain a laminated film having superior interlayer adhesion strength.

This PVA resin composition comprises a polyvinyl alcohol resin (A) having a 1,2-diol-structural unit represented by general formula (1) and an alkylene oxide adduct (B) of a polyhydric alcohol.