Working insecurity is a main stress source in work and can trigger a series of passive organizational attitude and behaviors,thus,the exploration on related variances on moderating influencing effect on working insecurity is a hot topic in this field.BY using questionnaire and moderating hierarchical regression analysis method,this paper enphatically examines the moderating effect of leader-member exchange on the relationship between working insecurity and organizational commitment.The research result show that leader-member exchange relation plays positive moderating role in the passive influence of qualitative working insecurity on emotional commitment and active influence of quantitative working insecurity on continuous commitment.