Resultst: After researching 130 patients with venous thrombosis and thromboembolism, we recorded: Women and man ratio 1.55, mean age: 64.95± 14.8; The percentages of thrombotic risk factors as following: Immobility 14.62%, post operation 2.31%, trauma 0.77%, Lupus 1.54%, cancer 1.54%, myeloproliferative syndrome 2.31%, diabetes 46.92%, hypertension 60.77%, dislipidemia 60%;