It achieves self-power, heating and water supply through the installation of solar photovoltaic panels, and the discharge of indoor showers and domestic water is purified by the sewage treatment system for reuse. Container houses are green, time and labor saving, very flexible, relative to traditional housing can provide more choices for homes, individuals, families, and even a community can get what they need, a steel box made of a house can also be full of fashion, very friendly to the environment.