In 1947, he was appointed head of the Propaganda Department of the Cultural Bureau of the Ministry of Internal Affairs, and in March 1948, he was elected director of the Pyongnam Tribunal.
In September 1948, when the first cabinet was formed following the country's formal independence, he was appointed as the first Chief Justice of North Korea.
In December 1967, he was re-elected[5] as a deputy to the 4th convocation of the Supreme People's Assembly and served as Minister of State Control in the 4th Cabinet.
[6][7] From 29 April 1956 to 12 November 1970 he concurrently served[8][9] as Chairman of the Control Commission of the Workers' Party of Korea.
In November 1970, he was included in the executive committee of the 5th Party Congress, but was eliminated from the 5th Central Committee, and in December 1972, didn't participate in the election to the 5th convocation of the Supreme People's Assembly and disappeared from public appearances, apparently due to his involvement in the Kapsan faction incident.