Abstract：
The residential floor slab is simple in construction. The sound insulation index can hardly attain 3A residential building requirement without sound insulation processing. Combing the construction item with nine different residential floor slab, field measurements of sound insulation were done. Through the comparison and analysis of many proposals of residential floor slab, test results reveal that adopting floating floor slab system, reasonable construction, avoiding sound delivering bridge in construction process, which is important to sound insulation of residential floor slab.
