Thirteen cases of unilateral lymphedema of lower extremity were treated by the anastomosis between the suporficial and deep lymphaties. The rate of subeidence of edema at 2 weeks and 6 months after operation were 57.1±18.5%and 47.3± 22.9%, respectively, It was believed that this type of oporation had the advantageS of anastomosis on the tissues of same origin, unlikely occurrence of thrombosis at the anastomotic stoma, small incision, less surgical trauma and acceptable by patients.