Top soil-piled mountain-shaped building roof structure and method

The invention relates to the field of garden construction, in particular to a top soil-piled mountain-shaped building roof structure and a method, and aims to solve the problem that the cost is high when an included angle space formed between two cubic columns is filled with soil; the top soil-piled mountain-shaped building roof structure comprises a primary structure arranged on the ground, wherein a secondary structure is arranged on the primary structure; the primary structure comprises a plurality of frames which are sequentially laid from bottom to top, supporting assemblies used for supporting the secondary structure are arranged on the frames, the secondary structure comprises a plurality of flat roofs, inclined roofs and mounting formworks, and the flat roofs and the inclined roofs are all arranged on the corresponding mounting formworks. The mounting formworks are detachably arranged on the supporting assemblies on the corresponding frames. The space on the frame is shielded through a flat roof and a