O-Young's fondness for and familiarity with the mountains made a strong impression on Yeh Shih-wen, who was at that time director of the preparatory office for the Yushan National Park. Yeh specially invited O-Young to participate in the survey work for the park. After the formal establishment of the park, Yeh kept him on as a member of the planning office, responsible for rescue, campgrounds, trails, and patrols.
歐陽對山林的熱愛與熟悉，令當時籌備中的玉山國家公園處長葉世文印象深刻，特別邀請他來參與玉山國家公園的籌備調查工作，並在玉山國家公園成立後成為企劃課員，負擔起救難、營地、步道、巡山員等工作。