Dry sealed jacketed box

The utility model relates to a dry sealed jacketed box, which is characterized in that the jacketed box comprises the outer box and the inner box. The outer box comprises the box cover of the outer box and the base box of the outer box. Gap is left when the box cover of the outer box and the base box of the outer box are closed. The inner box comprises the base box of the inner box and the cover membrane of the inner box. The base box of the inner box is arranged in the base box of the outer box. The cover membrane of the inner box is inserted from the gap which is left when the box cover of the outer box and the base box of the outer box are closed, and covers the top of the base box of the inner box. The structure of the utility model is simple and reasonable, the drying and the packing of the sample is integrated. The dried sample can be conveniently and quickly collected. At the base of the drying quality, not only the pollution of the sample to the environment can be fed, but also the drying recovery is increased. Especially for the drying sample which is toxic and strongly water absorptive, the diffusing and the moisture regaining of the toxic powder can be prevented and reduced by the instant seal of the drying objects contained. The pollution of the environment is prevented and the safety of the human body is protected.