The utility model provides a safe ventilative set split type brick, includes air brick brick core, the steel bushing, and metal attachment and metal trachea are equipped with the ventilative passageway that has a perfect understanding terminal surface about its in the air brick brick core, and the steel bushing passes through the fire clay and bonds at the outer peripheral face of air brick brick core, and metal attachment weld in the bottom of steel bushing, and is equipped with the air chamber between the lower terminal surface of metal attachment up end and air brick brick core, and the up end of steel bushing and the up end parallel and level of air brick brick core, and the outer peripheral face of steel bushing parcel has the one deck to be used for directness and brick cup complex to pour into a mould the bed of material should be poured into a mould the bed of material and pass through the metal anchorage and be connected with the steel bushing, and metal attachment's lower extreme face bonding has and pierces through the metal trachea of pouring into a mould the bed of material the utility model discloses in, do not scribble the fire clay between air brick brick core and the present brick cup and direct through pouring into a mould bed of material cooperation use, the pouring bed of material passes through the metal anchorage to be connected with the steel bushing, has strengthened the cohesion between the air brick brick core and the pouring bed of material, has reduced the risk of air brick brick core bleed-out, the improvement safety in utilization