Floor surface layer structure

The utility model provides a floor surface layer structure which comprises a surface layer panel layer, a sealing covered edge, a floor body, a surface layer protective covering film, a high-strength wear-resistant layer and a built-in groove, the surface layer panel layer is arranged on the upper side of the floor body, the high-strength wear-resistant layer is arranged on the upper side of the surface layer panel layer, and the surface layer protective covering film is arranged on the upper surface of the high-strength wear-resistant layer. A sealing covered edge is arranged on the periphery of the lower end face of the surface panel layer, a positioning clamping strip is arranged on the lower portion of the inner side face of the sealing covered edge, a positioning clamping groove is formed in the annular side face of the floor body, a built-in groove is formed in the lower side of the interior of the surface panel layer, and a heat preservation blocking plate is arranged in the built-in groove. According