Abstract: This article analyses the meaning and the essential elements of the professional spirit of librarian,and puts forward the professional spirits of librarian in the network era.It includes the spirit of love and devotion to work, the spirit of dedication to work without selfishness,the spirit of service with honesty,the spirit of solidarity and cooperation,the spirit of being good at learning and the spirit of humanism,etc.

Key words: The Network Era,The Professional Spirit of Librarian,Library