In the summer of 1945, the First Brigade of the Police Reserve, to which Ren Rong belonged, was reorganized into the Third Detachment of the Eighth Route Army Guerrillas, and traveled southward from Yan'an to Hunan-Guangdong to create the Wuling Base Area, and soon advanced to the areas of Mianchi, Luoning, and Xin'an in Henan Province.
[4][5] During the Second Kuomintang-Communist Civil War, he successively served as political commissar of the 16th Independent Brigade Regiment of the Ji-Re-Liao Military Region, and then participated in the Liao-Shen Battle in 1948.
[6] In October 1948, during the decisive phase of the Liao-Shen Campaign, the Kuomintang Army had two divisions that managed to open a route from Shenyang to Yingkou, intending to retreat to Huludao by sea using warships.
[7] After the founding of the People's Republic of China, Ren Rong took part in the Korean War in 1950, served as the head of the Organization Department and deputy director of the Political Department of the Chinese People's Volunteer Army, and was appointed as a member of the Chinese side of the Korean Military Armistice Commission (KMACOM) in 1954, and was awarded the rank of major general in 1955.
[11] In 1980, he was appointed Deputy Political Commissar of Wuhan Military Region, and in 1988, he was awarded the First Class Red Star Medal of Honor.