Sound insulation and heat preservation perforated brick

The utility model relates to a sound insulation and heat preservation perforated brick which comprises a perforated brick body, an inserting groove is formed in the perforated brick body, a heat preservation plate is inserted in the inserting groove, a heat preservation block is arranged in the heat preservation plate, a clamping groove is formed in one side of the perforated brick body, and a clamping strip is fixedly connected to the end, away from the clamping groove, of the perforated brick body. The shape of the clamping strip is matched with that of the clamping groove, a sound insulation block is fixedly connected to the interior of the porous brick body, and a clamping mechanism is arranged on the porous brick body. According to the utility model, the honeycomb-shaped sound insulation block is arranged in the porous body, when sound waves enter the honeycomb body, vibration of air and materials can be caused, and due to frictional resistance and viscous resistance, a part of sound energy is converted