This article is based on the literature of "Kaiyuan Temple Zhengshilu" to discuss the Kaiyuan Temple in Tainan before 1920, the official religious policy under Japanese colonial rule, the union and conversion of different religions of Japanese and Taiwanese Buddhism, and the issues of Tainan The issues of exchanges between local poetry societies and Buddhist monks have given this special commemorative poetry anthology document, which was rarely introduced in the past, a new historical outlook, and made this important local religious document, which was rarely introduced in the past, have a modern academic Research reference value. This is helpful for promoting the deepening and broadening of Tainan Studies research.