Abstract: Leadermember exchange(LMX) is the relation between leader and member.The article puts forward that social integration and role clarity in organizational socialization process are the mediation between leadermember exchange and job satisfaction and turnover intention.Results of the analyses suggest that LMX has a positive impact on social integration and role clarity.In addition，LMX has a positive impact on job satisfaction，and has a negative impact on turnover intention.Role clarity have positive impacts on job satisfaction，but negative impacts on turnover intention.The results also show that role clarity has a partial mediation role between LMX and job satisfaction while social integration does not obviously serve as a mediation between LMX and job satisfaction and turnover intention.

Key words: leadermember exchange, new employee, role clarity, social integration, job satisfaction, turnover intention 