He has an immense interest in Taiwan history and folk customs, and especially in shanshu works (essays which tried to teach moral values by pointing out the terrible consequences of an evil life). Almost no one can compare with him in the area of shanshu.
他對台灣史、民俗學等方面有廣泛的興趣，特別是「善書」方面的研究，幾乎無人能出其右。