After graduating in 1981, Long was assigned as a technician and assistant agronomist at Jishou Municipal Agricultural Bureau, and became an office cadre of Jishou Municipal Agricultural Committee in August 1984. She joined the Chinese Communist Party (CCP) in June 1985.
In July 1989, Long was reassigned as director of the Office of the People's Government of Xiangxi Tujia and Miao Autonomous Prefecture, and became a secretary for its Secretary Section in June of the following year.
Long was a secretary for the General Office of Hunan Provincial Committee of the Chinese People's Political Consultative Conference in April 1993 and subsequently the Office of Hunan Provincial Ethnic Affairs Commission four months later. In September 1994, she became deputy director of the Office, rising to director in October 2000.
Long served as deputy director of Hunan Provincial Office Affairs Administration in January 2002, and eight years later she was promoted to the director position.[2]
In January 2023, Long was chosen as chairperson of the Economic and Technological Committee of Hunan Provincial Committee of the Chinese People's Political Consultative Conference.
PB Former member of the Politburo; PLA Also a military official; CDI Member of the Central Commission for Discipline Inspection or affiliates 1For details on the civil service ranks of officials, please see Civil Service of the People's Republic of China; 2Army generals listed have attained at least the rank of Major General, which usually enjoys the same administrative privileges as a civilian official of sub-provincial rank.