Building energy -saving insulation brick

The utility model discloses a building energy -saving insulation brick, include: the brick body and metal crate, the left side of the brick body is equipped with the recess, brick right side physically is equipped with the lug with the groove phase gomphosis, both sides all are equipped with the diatom soil layer around the brick body, the inside of the brick body is equipped with metal crate, metal crate's four sides and the equal fixedly connected with X in bottom shape support, both sides are equipped with relative segmental cavity around the brick body, segmental cavity encloses into the shape of rugby, be equipped with the rectangle cavity between the segmental cavity, it has insulation material all to fill in the segmental cavity, it has the acoustic celotex board to peg graft in therectangle cavity, the gap filling has the sound insulation to glue between acoustic celotex board and the rectangle cavity. The utility model discloses possess good heat preservation heat and sound isolation effect, and soli