He was also known as Liao Chenyun as he took his uncle's (Liao Wenguang) family name when he was adopted by him after his parents died.
He was one of the major political leaders of China both during and after the Chinese Civil War along with Mao Zedong, Liu Shaoqi, Zhou Enlai, Zhu De and Ren Bishi and was later considered to be one of the Eight Elders of the Communist Party of China.
In the 1980s and 1990s, Chen Yun was regarded as the second most powerful person in China after Deng Xiaoping.