MPH is a response to those crises with large-scale impacts, such as wars or diseases, which fulfils the social responsibility of product design. From the perspective of functionality, the power supply center utilizes wind or Solar power generation to conquer power shortages. The medical treatment units expand outward from the center by the guarantee of power supply. From the perspective of structure, the units are foldable and retractable, which is convenient for assembling and transporting. From the perspective of materiality, it uses recyclable plastic panels which achieves sustainability.