▎ 摘　　要

NOVELTY - The utility model claims a graphene electro-thermal overhead soundproof floor and its mounting structure, comprising from up to down orderly composite decorative plate layer, first carbon-magnesium composite board, impermeable graphite heating sheet, high reflecting film layer and the second carbon-magnesium composite board. further comprising a mounting to the second carbon-magnesium composite board bottom keel, said keel strip and the second carbon-magnesium composite board through nail-free adhesive for bonding, while the keel bar base is compounded with the foam rubber layer.