To provide a bag type disaster prevention apparatus for protecting a user himself/herself against glass pieces or concrete pieces scattering and falling down when an earthquake occurs.

Inside a bag 8 with a handle 9, a rear guard 10 and a side guard 12 made of an acrylic plate or a reinforced plastic plate for disaster prevention which can be folded and stored are provided. When an earthquake occurs, by pressing a disaster prevention apparatus operating button 27 and operating a spring, the bag is instantaneously opened to both sides, it is put on the head and the body is protected against flying and falling objects. A magnet is provided on the shape maintaining contact of the disaster prevention acrylic plate or the reinforced plastic plate and connection is maintained by magnetic force.