Abstract:[Purposes] To investigate the SSCI included peaks library and information science journal papers cited and its influencing factors, in order to provide reference for the study of foreign journals cited in the peak age.[Methods] SSCI included 53 kinds of library and information science journals in 2004 as the research object, research 2003, 2004, 2004 published papers cited peaks, and observe the publication cycle, publication languages, different publication countries and different literature metrology index journals cited peaks difference.[Findings] The SSCI included 53 kinds of library and information science journals published in 2003-2005 peaks were (5.4±2.4)years, (4.6±1.8)years and (1.8±2.0)years, cited peaks development gradually over time in advance, different publication country, different publication cycle and different literature metrology index SSCI library and information science journals cited peak;Publication language maybe had no obvious effect on cited peak. [Conclusions] Under the network environment, the paper has been cited the peak delay, and the different publication country, the publication cycle and the literature metrology index of the journal is cited the peak time is different.