To provide a wet tissue storage container showing a superior evaporation-proof characteristic against moisture contained in the stored wet tissue, capable of reducing an environmental-oriented load and further capable of preventing environmental pollution.

This wet tissue storage container comprises a paper case body 1 for storing a wet tissue 31 in it and having an opening 3 at its top plate 2, a rear surface film 4 adhering to the top plate 2 and provided with a taking-out hole 5 for use in taking out the wet tissue, and a sealingly closed paper lid covering the opening 3 and removably adhering to the top plate 2 through an adhesive agent layer 7. The inner surface of the case body 1 is processed with a water-proof processing by biodecomposable resin.