Comrade Li Jie worked in the army from 1945 to 1949; 1949 to 1972, worked and served in Inner Mongolia Public Security Corps, Inner Mongolia Military Region, Wulanhaote Ministry of Industry, Inner Mongolia Finance School, Inner Mongolia Finance and Trade Cadre Training College and other units. 1972 to 1979, served as deputy director of inner Mongolia TV station, director of inner Mongolia broadcasting bureau 706, director of planning and finance department of the bureau, secretary and director of 702 party committees; Deputy Secretary of Inner Mongolia Finance and Trade School from 1979 to1980; 1980 to 1984 as vice president of inner Mongolia institute of finance and economics; 1989 retired.