Syria affected madly by war afflicts and had mass injuries in the world. So Syria could be the best delivering expansion site during EMS( Emergency Medical Services) due to its central geometrical site. Normally this hospital provides medical innovation, medication, and education. When war broke out, the purpose of the convertible hospital must be for the sake of peace, save war victims and provide EMS by helicopters and drones during shrinking. We can shrink and transform the building volumes from dividing space into those channels to connect up and down stairs, and create open spaces. it's making of fire prevention materials and duplicate volumes by plus, rotate and assemble. Using the wooden construction of the traditional burr puzzle to shrink buildings efficiently. With the transformed prefabricated hospital we can better off displacing war victims and educate those habitats for war areas.