The struggle and perseverance of the little people at the bottom in the global extreme cold disaster, maintaining the warmth of humanity and the hope of survival in the ultimate freezing situation, the unprecedented super coronal mass ejection (12 times the intensity of the Carrington event) penetrated the earth's magnetosphere and destroyed the world The power grid and communication system simultaneously triggered a cliff-like drop in stratospheric temperature. Within 72 hours, the global temperature dropped from normal temperature to minus 30°C, fell below minus 60°C within a week, and finally stabilized at minus 70°C to minus 90°C, entering an era of ice coldness that would last for decades.