Thermal insulation block brick

The invention discloses a thermal insulation block brick, which comprises a block brick body and further comprises a vacuum thermal insulation body. The block brick body is provided with a thermal insulation body containing cavity. The vacuum thermal insulation body is arranged in the thermal insulation body containing cavity. The thermal insulation body containing cavity is a blind hole or a through hole or a through groove. The vacuum thermal insulation body is provided with a wrapped body. The wrapped body forms a vacuum closed space. A space support is arranged on the inner wall or the inner cavity of the wrapped body. Furthermore, the space support can be used for supporting the wrapped body to form a vaccumized space; or the wrapped body is supported itself to form the vaccumized space; and the vaccumized space in the wrapped body is vacuum. According to the thermal insulation block brick disclosed by the invention, the thermal property of a wall body can be ensured; furthermore, the comprehensive cost