目?之學，成為專門學術，由?已遠，但能?久彌新，為世人所重，必因其為用，功能顯著。惟前人之於目?學，多自學術研究之觀點，?其??之嬗變，與體?之??，著述甚豐。至所以為用，鮮有?及。本文自目?學的起源?其功用，其乃為知?資訊與需求者間之橋樑，藉知?之推廣，資訊之傳播，嘉惠世人，目?之「實用特性」可以完全實現，發展之命脈亦可以常存矣！

Bibliography has developed into a professional field of academics thanks to its notable functionality in application. This paper attempts to expound this functionality by exploring the origins of bibliography. Bibliography plays the role as a bridge between information and its acquirers. The prominent functionality of bibliography could be carried out to its fullest extent and furthermore continue its development through its prevailing of knowledge and communication of information.