The expanded container house uses environmentally friendly materials and recyclable building materials to effectively reduce resource waste. Its main frame is pressed from special steel plates, and the side panels have special sound insulation and heat insulation fillers. It has heat insulation, sound insulation, cold protection, fire protection and other functions, and the structural life can reach 70 years. In addition, this housing method focuses on environmental protection and energy saving, meets the latest building energy saving standards, and keeps the building away from moisture deformation, mildew, rust and other damage.