The Japanese Government erected its pavilion, modeled after the main hall of Horynji Temple, at the Paris International Exposition in 1900. The pavilion is important as one of the first buildings not simply modeled after a famous historical structure, but one that also combined different periodical details from the model. This paper reports the facts below. The model's purpose was to represent the length of Japanese history. The pavilion's design was inspired by the exhibition inside which was the collection of Japanese art from each historical period. The important part of the design was done by Tadamasa Hayashi.