Sihan Li, male, Han nationality, was born in Hengshui City, Hebei Province in November 1992. From September 2011 to June 2015, he studied civil engineering in the Department of disaster prevention engineering of the College of disaster prevention science and technology. From September 2015 to June 2018, he studied for a master's degree at the College of Disaster Prevention Science and Technology. He studied under Professor Cai Xiaoguang, mainly engaged in the research on the seismic performance of reinforced soil retaining wall. In September 2018, he was admitted to the Institute of engineering mechanics of China Seismological Bureau to study for a doctor's degree under the guidance of researcher Jing Liping, mainly engaged in seismic problems of reinforced soil retaining wall and nuclear power foundation treatment.