Objective To relieve anxiety and depression in pregnant women undergoing cervical cerclage,prolong pregnancy length,and improve postoperative quality of life.Methods 100 pregnant women undergoing cerical cerclage were evenly divided into study group and control group according to the random number table.The control group received conventional nursing care,while the study group received special mental intervention besides routine nursing care.The effects were assessed by SAS,SDS,and self-designed questionnaires for pregnancy.Results The scores on SAS and SDS were obviously lower in the study group than in the control group 3 months after the procedure( P＜ 0.05 for both comparisons ); rate of pregnancy continuation was higher ( P＜ 0.05 ) and quality of life were better ( P＜ 0.01 ) in the study group than in the control group.Conclusions Effective mental intervention can reduce even relieve anxiety and depression associated with cervical cerclage.It plays a role in the treamtent of recurrent spontaneous abortion and the improvement of quality of life during pregnancy.