The utility model relates to an antidetonation cabinet body, it is a cuboid frame, the cuboid frame is preceding, the back two sides includes preceding frame and afterframe, afterframe middle part be equipped with the rear frame member, the first side and the second side of cuboid frame are provided with upper and lower crossbeam from top to bottom respectively for with the preceding frame and the integrative cabinet body that forms of afterframe welding, first side middle part all be equipped with the side crossbeam with second side middle part, the equal quilt in first side and second side two rectangles are cut apart into to the side crossbeam, the afterframe quilt the rear frame member cut apart into two rectangles, four angles of every rectangle all are provided with an angle bar, every rectangle diagonal position all is provided with a stiffening beam for cut apart into stable triangle-shaped structure with the rectangle structure. The invention is created has the advantage that high accuracy, handling ease and shock resistance are strong, has solved the special requirement of special application occasions such as nuclear power to cabinet body shock resistance.