Abstract: Both in History of the Song Dynasty and in Lu Xinyuan's Supplementary History of the Song Dynasty, there is no biography of Liu Dexiu, a poet in the South Song Dynasty. Although Complete Song Poems contains a brief one, it is too simple. Therefore some supplements are given as follows. Liu Dexiu called himself Tui Xuan and once worked as a local teacher in Guiyang. Up to the tenth year of Emperor Chunxi being on the throne, he had assumed the head of the Changsha County. And two yeas later he changed to the head of the Xiangtan County. About from that time to the first year of Emperor Shaoxi being on the throne, he was elevated to the Counselor of the Sichuan Conciliation Commissioner. Soon he was appointed the Prefect of Chongqing Prefecture. After that he was Secretary of High Lawcour, Assistant of High Lawcourt, Director of Supervisory Department, etc, having becoming an important courtier. Later he continued to be active in the officialdom, having such official titles as the Minister of War, the Minister of Personnel, the Scholar of Imperial Library and the Sichuan Conciliation Commissioner until he retired on account of illness.

Key words: Liu Dexiu, brief biography, addendum, Key words： Complete Song Poems