At Yon Sei university hospital 309 cases of tubal ligation have been presented. Among them, 72.4% were abdominal procedures and re-maining 27.6% were vaginal procedures. These cases were seen at Yon Sei university hospital from August, 1,1958 to July,31, 1964. The main indications for tubal ligations were as follows: multiparity 90.5%. medical indications 5.5%, obstetrical indications 2.0%, and gynecological indications 2.0%. The postpartum tubal ligation was one of the most convenient method which performed usually on postpartum 1st day. General anesthesia was performed in majority of cases. 3 cases of post operative complications were encountered among 85 cases of vaginal tubal ligation. In the post operative follow up only a few unfavourable effect of sterilization on sexual activity and menstrual cycles were reported. 95.3% of the operated cases were pleased with the results of the tubal ligation. No failures following tubal ligation were encountered.