Prefabricated wall and building

The utility model provides a prefabricated wall and a building, relates to the field of fabricated buildings, and aims to solve the technical problem that an embedded wall bushing cannot meet passive ultra-low energy consumption wall penetration. The prefabricated wall comprises a wall body and a prefabricated sleeve assembly penetrating through the wall body, the sleeve assembly comprises a first pipe and a second pipe arranged on the outer side of the first pipe in a sleeving mode, an annular containing space is formed between the first pipe and the second pipe, and the containing space is used for being filled with a heat preservation refractory body; cover plates for sealing the containing space are arranged at the corresponding ends of the first pipe and the second pipe respectively, the end face, deviating from the containing space, of each cover plate is flush with the corresponding wall face of the wall body, and a waterproof film is at least arranged on the portion, adjacent to the containing space,