The educational and methodological manual is intended for courses of thematic improvement of doctors, as well as clinical residents, graduate students of a surgical profile, and students. The manual deals with the problem of diagnosis, treatment and prevention of varicose veins of the lower extremities. The main directions and tactical approaches to solving this complex surgical problem are highlighted by the authors in the context of the pathophysiological processes that occur in the human body during the onset and development of this disease.