It has been found that the employee has a stronger turnover intention in mergers and acquisitions .Thus,researchers began to explore the reasons .Now,the issue has become one of the hot issues in the area of human resource integration in mergers and acquisitions .The previ ous research on that mainlyfocuses onthree approaches :relative standi ngtheory,upper echelons perspective,and cultural difference perspective .Fromthe view of relative standi ng theory,attributes of the relationship bet ween the acquiringfir mand acquiredfir mare the key effect factors of employee turnover intention.Inthe UEP approach,background characteristics of the top management teamof the acquiringfir mand acquiredfir m can predict their turnover intention or turnover behavi or .In the perspective of cultural difference,cultural differences and conflicts bet ween the acquiring fir mand the acquired fir mare the main effect factors of employ turnover intention.