The invention belongs to an explosion suppression brick. The explosion suppression brick is a hollow movable shell, wherein explosion suppression holes penetrating through a shell wall are densely distributed in the shell wall; or the explosion suppression brick is a hollow movable shell, wherein explosion suppression holes are arranged in the shell wall which is internally filled with cellular mesh explosion suppression material; or the explosion suppression brick is a movable brick wall, wherein one face of the movable brick wall is an opening face, the brick wall is provided with explosionsuppression holes and is internally filled with cellular mesh explosion suppression material; or the explosion suppression brick is a movable frame in which cellular mesh explosion suppression material is filled; or the explosion suppression brick is a movable fin bracket provided with explosion suppression holes. The invention can effectively solve the phenomenon of whole collapse of explosion suppression materials and replace or match with the explosion suppression materials to realize favorable explosion suppression performance, and has the advantages of easy machining, transportation, arrangement and replacement and good explosion suppression and use effects.