To provide a disaster prevention hood, which is small and easy to carry and capable of infallibly protecting a neck region.

The disaster prevention hood 10 comprises a first airbag 11 to cover an overhead part and both sides of a face, a second airbag 12 to cover from the back of the head to the upper part of a back, a small gas cylinder 13 to supply the first airbag 11 and the second airbag 12 with an compressed gas so as to inflate them, a gas filling device 14 to release the small gas cylinder 13, and a bag 20 to contain the small gas cylinder 13 and a cylinder releasing device together with folded. The first airbag 11 and the second airbag 12 are inflated at a time and pop out of the bag 20 so as to be used when a cord 15 as an operation part to rotate a lever for releasing the small gas cylinder 13 gets exposed out of the bag 20 to get the small gas cylinder 13 released by the operation part.