Xie Ximin was born in 1917 in Taixing, Jiangsu Province. In 1938, he joined the revolutionary movement, and in March 1939 he became a member of the Chinese Communist Party (CCP).[2] He subsequently served as head of the Organization Department of the Taixing County Committee of the CCP, head of the Organization Department of the County Committee, county party secretary, head of the Organization Department of the Huangqiao Central County Committee, and party secretary of Jingjiang County.[3]
After 1940, he adopted the name Xie Ke while working in the Central Jiangsu revolutionary base area. Both he and another cadre with the same name served as heads of the Organization Department of the First Prefectural Committee in Central Jiangsu.[4] On the suggestion of Ji Pengfei, the one working in the east was renamed Xie Kedong, while the one in the west was called Xie Kexi.[5] Xie went on to serve as head of the Organization Department and head of the City Work Department of the Third Prefectural Committee in Central Jiangsu, deputy head of the Mass Work Department of the Central Jiangsu Party Committee, deputy secretary of the First Prefectural Committee in Central China, secretary of the Taizhou Prefectural Committee in Northern Jiangsu, and secretary of the Yancheng Prefectural Committee and political commissar of the military sub-district.[6]
After 1952, Xie held a series of leading positions in Jiangsu Province, including member of the Jiangsu Provincial Committee of the Chinese Communist Party, chairman and party secretary of the Jiangsu Federation of Trade Unions, and party secretary of the Jiangsu Provincial Science and Technology Commission as well as the Jiangsu branch of the Chinese Academy of Sciences.[7] He was a delegate to the 8th National Congress of the Chinese Communist Party. From September 1959 to May 1966, he served as the first chairman of the Jiangsu Association for Science and Technology, before being transferred to the Ministry of Foreign Affairs.[8]
In September 1962, Xie was appointed Ambassador of China to Ceylon, a post he held until December 1965. In March 1975, he became the first Ambassador of China to Niger.[2] Xie Kexi died in Beijing on August 22, 1989, at the age of 72.[1]