Phlebology (Greek: «phlebos» (vein) and «logos» (knowledge)) is a branch of medicine, which studies veins’ structure and their functions, and which is also involved into the development of diagnostic, treatment methods and methods to prevent from vessel diseases. Phlebology is one of the most important and popular branches nowadays, which can be explained by the high incidence of vein diseases in modern society. This branch requires a high technical capacity to treat vein diseases with up-to-date and the most effective methods. Highly qualified staff working in the field of phlebology and availability of modern medical equipment in healthcare establishments of the Republic of Belarus make it possible to provide patients, suffered from vessel diseases, with high-level diagnostic, treatment and prevention measures, improving the life quality of the patients.