Objective To explore the relationship among life meaning,spiritual health and life practice of college students.Methods Sense of Life Meaning Scale,Spiritual Health Scale and Life Practice Scale were applied to 708 college students.Results Life meaning was positively correlated with spiritual health and life practice,and spiritual health was positively correlated with life practice (r =0.51-0.79,P＜0.01).Spiritual health played fully mediating role between life meaning and life practice (x2=287.27,df=24,GFl=0.91,RMSEA=0.12),and accounted for 87％ of the mediating role.Conclusion Spiritual health serves as a mediator in the effect of life meaning on spiritual health in college students.