Su Yu (1907- 1984) is a native of Huitong County, Hunan Province. 1926 Join the Communist Youth League of China. 1927 to China * * *. Participated in Nanchang Uprising and Southern Hunan Uprising. During the Agrarian Revolutionary War, he served as the company commander, battalion commander and division commander of the 10th Army of the Chinese Red Army of Workers and Peasants, the division commander of the 64th Division, the chief of staff of the Gongsi Army, the political commissar of the Red Army faculty, the chief of staff of the 11th Army, the chief of staff of the Qigong Corps, the chief of staff of the Red Army's northward anti-Japanese advance team, the division commander of the forward division, and the commander of the Fujian-Zhejiang Military Region. Insisted on guerrilla warfare in the south for three years.

During the period of War of Resistance against Japanese Aggression, he served as deputy commander of the second detachment of the New Fourth Army, deputy commander of the headquarters of Jiangnan and Subei of the New Fourth Army, commander and political commissar of the first division of the New Fourth Army, and commander and political commissar of the Suzhong Military Region and the Jiangsu-Zhejiang Military Region. During the War of Liberation, he served as deputy commander of the Central China Military Region, commander of the Central China Field Army, deputy commander of the East China Field Army, acting commander, acting political commissar, and deputy commander of the Third Field Army.

After the founding of People's Republic of China (PRC), he served as vice chairman of the East China Military Commission, deputy chief of staff and chief of staff of the Chinese People's Liberation Army, vice minister of national defense, vice president of the Academy of Military Sciences, first political commissar and member of the Standing Committee of the Central Military Commission of the Communist Party of China (CPC). 1955 was awarded the rank of general. He was a member of the first, second and third national defense committees, a member of the third and fourth the National People's Congress Standing Committee (NPCSC) committees, a vice chairman of the fifth the National People's Congress Standing Committee (NPCSC), an alternate member of the seventh Central Committee, and a member of the eighth, ninth, tenth and eleventh Central Committees. He was elected as the Standing Committee of the Central Advisory Committee at the first plenary session of the Central Advisory Committee in China.