1952 was transferred to the Planning Bureau of the Finance and Economic Committee of East China Military Commission, and then to the Ministry of Labor.
1956 deputy director of the industrial department of the wage bureau of the Ministry of labor.
1970 worked in the business group of the Labor Bureau of the State Planning Commission.
1980 to 198 1 year, served as director of the secretariat of the general office of the state administration of labor, secretary of the party group of the general administration of labor, and director of the general office of the general administration of labor.
198 1 Deputy Secretary of Wuxi Municipal Committee.
1982 served as deputy minister of labor and personnel, and concurrently served as member of the standing Committee of the party Committee of the central state organs.
65438-0984, member of the leading group for wage reform in the State Council, deputy director of the office, member of the leading group for professional title reform in the State Council and member of the the State Council Housing Reform Office.
1986 to 1989 are members of the central financial and economic leading group office.
1988 deputy minister of labor, member of the leading group for foreign investment in the State Council.
Member of the 7th Chinese People's Political Consultative Conference and the 8th Standing Committee of Chinese People's Political Consultative Conference.
He died in Beijing on June 2, 2007 at the age of 79.
During Yan's serious illness and after his death, Zeng Qinghong and He Guoqiang expressed their condolences in different ways.