Prior to liberation from Japan, he was an anti-Japanese partisan and fought alongside Kim Il Sung, as a messenger.

Although he was initially unfamiliar with guerilla warfare and the forests, he adapted to the harsh conditions, and conducted numerous reconnaissance missions against the Japanese, which earned Kim's trust.

[3] In With the Century, he was named as a bodyguard who protected Kim during the anti-Japanese warfare and was described as extremely loyal.

[2] He was a candidate to the 5th Central Committee of the Workers' Party of Korea and elected to the 5th Supreme People's Assembly in December 1972.

[4] He became the deputy director of the Ministry of Social Security in 1982 and in 1989, the principal of Kang Kon Military Academy.