Lymphatic complications are minor complications after varicose vein surgery. The frequency of lymphatic complications following on operation on varicose veins is very rarely discussed in literature. Patients, method: We investigated their frequency in a prospective study. Results: Between January 2004 and December 2005 in the cases of 3565 varicose vein operations we found 345 or 9.7% lymphatic complications, A. 123 cysts (3.4%), 24 fistulas (0.7%), 7 lymphorrhoe (0.2%) and 5 lymphoedema (0.14%). Conclusion: Lymphoedemo is the only long-lasting complication of the varicose vein surgery.