Bucket arch modeling indoor lobby dome design structure with surface layer anti-cracking design

The invention discloses a bucket arch modeling indoor lobby dome design structure with a surface layer anti-cracking design. The structure comprises a central top surface layer and an arc-shaped top surface layer, wherein the central top surface layer comprises a first suspender, a first keel and a first decoration panel, the first suspender is fixedly installed on a base layer steel frame, the first decoration panel is fixedly installed at the bottom of the first keel, a bucket arch decoration structure is fixedly installed on the base layer steel frame through a center rod, and the center rod penetrates through the first decoration panel; the arc-shaped top surface layer comprises angle steel, a connecting piece, a second hanging rod, a second keel and a second decoration panel, the angle steel is fixedly installed on the base layer steel frame, a kidney-shaped hole is formed in a first plate body of the connecting piece, the second hanging rod penetrates through a second plate body of the connecting piece