The experience with the use of a cryosurgical method in the out-patient treatment of 3112 children of different age with congenital vascular formations was summarized. In the total structure of neoplasms, capillary hemangioma was predominant. The original apparatus was used with exposure of from 10 to 45 sec. The results of follow-up of the patients for 2 to 5 years are presented. A good cosmetic and functional result was noted in 96.2% of patients.