Such real-world constraints forced him to abandon his dream of study in Japan and to make academic research his career. Tsao started working at the NTU Library in 1947, embarking on what would be a lifelong course of study.
囿於現實，他只好放棄到日本留學的想望，轉而朝學術研究發展，1947 年進入台大圖書館工作，開啟終身學習的寶庫。