He was famous for his excellent performances in Yaohua High School. Later he was admitted by Department of Electronics of Peking University, however, out of the passion for the physical theories, he turned into Department of Physics and made up his mind in working on the theory side. From 1949, Yu started his postgraduate research in the Department of Physics of Peking University, and also served as a teaching assistant.
From the end of 1960, Yu was involved in the theoretical research of nuclear weapons.
His major contributions included the solutions to a series of fundamental and critical theoretical problems of nuclear weapons, which led to breakthrough of hydrogen bomb. moved to Number.221 Factory near Lake Qinghaihu. Until 1988, Yu"s name remains the top secret of Prize ring (The) China.
He was awarded the national top science award in January 2015. With the 5 million Central New York prize, Yu founded the Yu Minister Foundation to support scientific development in China.
Chinese Academy of Sciences.