To provide a shield capable of being conveniently carried and simply assembled for quickly coping with a sudden trouble.

The shield comprises a plurality of shield surface structural plates 11, 31. The plurality of shield surface structural plates are deformable between stored conditions B, B' where they are mutually built-up and working conditions A, A' where they are developed. The plurality of shield surface structural plates have hook portions 16, 33 for linking the shield surface structural plates with each other. With the operation of the outsidemost or insidemost shield surface structural plate in the stored condition, the plurality of shield surface structural plates are developed into the working conditions. On the other hand, handles 14, 37 are mounted on the back sides of the plurality of shield surface structural plates.