Objective:To explore the Gene Fiex (IUD) applied in contraception in women of childbearing age.Methods:The control group using TCu380A IUD,the observation group used Gene Fiex intrauterine device,two groups were observed and compared the clinical use and adverse reaction.Results:The observation group continue to use rate was 92.75%,significantly higher than that in control group 81.16%;observation group the incidence of side effects was 10.14%, significantly lower than the control group was 26.09%,statistically significant differences between groups,P<0.05.Conclusion:The Gene Fiex to beauty IUD contraceptive effect is good,mechanical compres-sion of the uterus, postoperative side reactions are relatively few,is a kind of IUD ideal,it is worthy of clinical application and promotion.