An analysis of complex laboratory, ultrasonic investigations and following treatment of 120 patients with acute surface varicothrombophlebitis was made. The patients were divided into two groups, each being 60 people. In the first control group the treatment was conducted in one step: standard venectomy was performed at high point of inflammatory process. In the main group, the development of thrombotic process was prevented by sclerosurgical technology at the first stage. Radical treatment was carried out at the second stage after 4–6 weeks. The number of complications in near-term postoperative period decreased in 5% and in long-term in 13.3%, the quality of life increased in 13.3% in second group patients.