On the back ground of global climate change，the themes of risk and governance of geoengineering are more and more focused in research. The potential impact of geoengineering and related risks are important issues. According to solar radiation management geoengineering scenario，this article estimates and analyzes the characteristics of frequency，intensity and duration of extreme precipitation events in China under the influence of geoengineering measures in 2020-2100. Furthermore，the article evaluates the spatial pattern of the risk characteristics on China and puts forward some enlightenment on China’s geoengineering governance.