Abstract: Based on the statistics of the cited frequency of published papers of Acta Psychologica Sinica since 1956, the paper includes 120 papers and analysed the situation of relationship between authors and co authors?distribution of core authors?distribution of source of authors?distribution of subjects and concludes that Acta Psychologica Sinica is the best core periodical of core journals of psychology.

Key words: Acta Psychologica Sinica, cited frequency, core journal