The utility model relates to an outdoor elevator hoistway with a steel structure, which comprises a substrate of the hoistway, and is characterized in that a basic layer framework is connected above the substrate, at least one middle layer framework is connected above the basic layer framework, a top layer framework is connected above the middle layer framework, a top cover is arranged above the top layer framework, the hoistway solves the difficult problems that a built storied building needs to be added with an elevator, but the original building is not provided with the hoistway, and the hoistway has a simple structure and is convenient to disassemble and assemble.