Abstract: Fukushima nuclear leakage is intensified, and its technical risk caused by an extension of social amplification is constantly spreading in Japan and around the world. The paper takes the" framework of risk society amplification " as the tool, analyzes performance, features, and mechanisms of the social amplification effect of "Fukushima nuclear leakage", and suggests the policy implications about the perception, prediction and circumvention of social risk in specific major projects construction in China.