To provide a shield box that is excellent in workability and can be reduced in cost.

This shield box 10 comprises a rectangular box-shaped outer box 12 having an opened top face, a rectangular box-shaped inner box 14 housed in the outer box 12 and having an opened top face, and an inner lid body 16 closing the opened top face of the inner box 14. This box 10 also comprises an outer lid body 18 closing the opened top face of the outer box 12, an energizing means 20 provided between the lid bodies 18 and 16, and an elevating/ lowering means 22 which elevates and lowers the outer lid body 18. In addition, this box 10 also comprises a moving means 24 which moves the outer lid body 18, inner lid body 16, and energizing means 20 in the horizontal direction.