In the fourth year of Shengping, Xie An was appointed Sima under the account of Huan Wen, the general of the Western Expedition, and the first year of Xian 'an was the official department minister. In the second year of Xian 'an, Xie An was appointed as the official department minister and official department minister, and was in charge of state affairs together with official department minister Wang Biao. A few months later, Wang was appointed as the secretariat of Xuzhou, and Xie An was also the general secretariat province, actually in charge of the state affairs of the Eastern Jin Dynasty.