A packaging material used for a display device which is a desiccative-containing adhesive agent. The desiccative-containing adhesive agent is composed of a liquid-state organic material selected from a group including epoxy resin, polyurethane, bakelite, polyamide, acrylic resin and polysiloxane, and a solid-state desiccative selected from a group including alkaline metal oxide, alkaline-earth metal oxide, metallic halide, barium oxide, calcium oxide, calcium sulfate, calcium chloride, lithium chloride, calcium bromide, potassium Carbonate, aluminum oxide, magnesium oxide, copper sulfate, zinc chloride, zinc bromide, cobalt chloride, silica gel, zeolite and molecular sieve.