Modularized building public space structure

The invention discloses a modular building public space structure, and relates to the technical field of indoor structures, the modular building public space structure comprises a foundation wallboard, a connecting strip, a fixed floor assembly and an outer covering beautifying belt; the basic wall plate comprises a first plate body, a second plate body, a connecting plate and an elastic telescopic rod; each foundation wallboard is provided with one or more deformation fixing strips in a matched mode, and each deformation fixing strip is provided with a long-strip-shaped through groove. The elastic telescopic rod is a hard telescopic rod with a built-in pressure spring, is fixed on the first plate body and the second plate body and extends out from the top; the connecting strip is a rubber rectangular strip; the fixed floor assembly comprises a threaded pipe and a splice plate body which penetrate into and are fixed on the ground; after the foundation wall plate is installed, the outer covering beautifying be