Because he was a "student-soldier," Ho found few opportunities to engage the enemy. But after the surrender of Japan, when most other youth soldiers went home, Ho Yen-tai remained in the military. Ho entered the "Anti-Communist National Construction Work Headquarters" in the Ministry of Defense, and was in the vanguard of troops sent from one emergency to the next.
身為抗日青年軍，何延泰沒有太多機會與敵軍交手；倒是抗戰勝利、青年軍紛紛返鄉復員後，仍然留在軍中的何延泰進了國防部「戡亂建國工作總隊」，成為打八路的急先鋒。