The -first set of rare books within the National Taiwan University (NTU) collection date back to the time period when the NTU was actually the Taipei Imperial University. Such works were purchased from the private collections of four Japanese Wushih shan fang Collection, Kubo collection, Momoki Collection, and Isihara Collection, After the Retrocession of Taiwan in 1945 the University President, Mr. Meng-chen Fu, purchased the private collection of Ling-wei Kao. These works, combined with the occasional purchased and donated books over the years, have amounted to over 9,700 titles consisting of 138,000 volumes. This paper depicts these valued works from four different aspects: 1. The General Situation of these Well-kept, Rare Books : After first explaining the origin of NTU's rare books, this paper offers statistics on the types and editions of works as well as the current situation of their collection. 2. The Reorganizing and Preservation of these Rare Books: As for their reorganization, this paper explains the system for classifying them, the formation of card and book catalogues for them, and just the general situaton of their reorganization. In addition, a briefintroduction is given of the system for the Chinese rare books as well as the computerized information system-TULIPS. As for their preservation, over the years the rare books have undergone repairs, been mounted (or framed) , steamed (to kill insects) , photocopied, and put on microfilm. 3. The Special Characteristics of the Collection of these Rare Books: The investigation of their characteristics are approached from two aspects: their editions and their contents. 4. Future Prospects: By means of collecting, reorganizing, preserving, and indexing these works, it is hoped that these valuable resources can be used for local and foreign scholars on Chinese studies.