The utility model discloses a building damping structure, the superficial layer of building including protrusion floor layer is floated and is installed spring damper on building the layer, and the audible device is installed to the last channel -section steel of installing of spring damper on, the waterproofing membrane layer is installed to floor layer below, and shock insulation sound insulation pad is installed to waterproofing membrane layer below, and shock insulation sound insulation pad goes up to take shape has the strip protruding, and it has a plurality of cavitys to take shape between the strip arch, shock insulation sound insulation pad below is the flexible waterproof dope layer, and flexible waterproof dope layer below is the structural floor slab layer, the outer parcel ofpipeline of audible device has the shock pad, and it is fixed that the shock pad passes through the clamp, and the clamp is fixed on the riser, and riser welded fastening is on the diaphragm, and thediaphragm is fixed on building wall. The utility model discloses a special shock insulation waterproof construction and the fixed mode of pipeline for the building has good shock attenuation waterproof performance, and fixed firm, simple to operate.