Energy dissipation building block

The utility model discloses an energy dissipation building block and belongs to the field of buildings. A damping sandwich layer is arranged in the building block and is used for separating the building block into an upper part and a lower part; opposite surfaces of the two parts of the building block are concavely and convexly matched. Energy generated by earthquake is absorbed by the damping sandwich layer sandwiched between the two parts, so that partial energy is counteracted to achieve the effect of energy dissipation; meanwhile, the two parts, separated by the damping sandwich layer, of the building block are concavely and convexly matched, so that the out-of-plane stress performance of the building block is improved, and the out-of-plane rigidity of a wall body is effectively increased.