Introduction to the preface hall: The preface hall of Zheng Chenggong Memorial Hall expresses the central theme of the memorial hall, including a full-length statue of Zheng Chenggong, "Chronology of Zheng Chenggong's Major Events", "Biography of Zheng Chenggong" and Zheng Chenggong's "Recovery of Taiwan" and "Northern Expedition" poems, as well as Color portraits of "Zheng Chenggong accepting the surrender ceremony of the Dutch colonists" and "Taiwanese people warmly welcome Zheng Chenggong, the national surnamed father".