The purpose of this study is to identify the wood species used in the traditional construction, the samples were obtained from the repairing historical buildings. The results of this study showed that Taiwan incense cedar, Chinese fir and camphorwood were used in vertical members, while the Taiwan yellow cypress, Taiwan red cypress, Taiwan incense cedar, Chinese fir, Japanese cedar and zelkova for horizontal members, and Taiwan yellow cypress, Taiwan red cypress, Chinese fir, Japanese cedar, Taiwania, Chinese hemlock, camphorwood for rafter; and camphor wood, machilus and longan for other members.