In 1951, he graduated from the officers candidate course in the Regional Military School, Military Region II at Phu Bai near Huế.
Military service
He was the commander of 5th Infantry Division at Lai Khe. He was born in Sơn Tây province, North Vietnam. As a deputy Commander of the 5th Infantry, He fought fiercely during the siege of Battle of An Lộc and later was promoted to the CO of the division.