The utility model discloses a permeable brick, its technical scheme main points are: including the fragment of brick body, the inside reinforcing frame frame that is equipped with of fragment of brickbody, reinforcing frame puts up the several times leading water pipe of slope intercommunication between the main leading water pipe of a plurality of downward diversions and adjacent main leading water pipe, and main leading water pipe runs through the fragment of brick body, the utility model has the advantages that when strengthening water permeability, permeable brick's self structural strength has been strengthened.