After the August Revolution, he was assigned to the positions of: Head of the Main Military School, President of the Inter-Zone IV Resistance Committee, and Standing Member of the Inter-Regional Party Committee. In 1947, he was the head of the Government Inspectorate Board, and later became the president of Friendship Association of Viet Hoa. At the Second Party Congress in February 1951, he was elected as an alternate member of the Central Committee of the Communist Party.