The utility model provides a pneumatic brake board, includes mounting panel, actuating mechanism and flashboard, actuating mechanism has one at least, and it includes actuating mechanism body and execution end, and the actuating mechanism body is installed in the mounting panel, and the body in actuating mechanism is installed to the execution end, the flashboard includes connecting plate and baffle, one side of connecting plate and one side interconnect of baffle to form contained angle A, the execution end is connected with the connecting plate. The utility model discloses according to above -mentioned content, propose a pneumatic brake board, can make the polylith adobe get into and put before the kiln neatly, improve the off -the -shelf quality of final ceramic brick.