Based on the literature of Organizational Socialization,the article reviewed its theoretical origin and the evolution process. Through underlying theoretical summary of Organizational Socialization research,the article analyzed the different understanding of Organiza- tional Socialization definition and its causes by different scholars.From two study paths of participants as well as its study dimension,the researches based on organization-leading perspective,newcomer-leading perspective,interaction perspective and cross-cultural perspective has been carried on the full review.The problems in the present research and future possible directions have also been discussed.