An object of the present invention is to provide a small-sized light-stabilized soft capsule formulation, which has a shell that ensures effective light shielding of an active ingredient encapsulated thereby.The present invention provides a light-stabilized soft capsule formulation comprising a shell containing a non-water-soluble light-shielding agent and having an average thickness of 200 μm or less, and a medicament encapsulated by the shell.
