How long you can live with venous thrombosis is related to the size and location of the thrombus, and needs to be analyzed on a case-by-case basis. Venous thrombosis is common in the lower limbs, if it is superficial vein thrombosis, it is mainly due to inflammation or trauma, which usually does not need special treatment, and can be treated with intravenous antibiotics, basically it is not life threatening and has no significant impact on life expectancy. If it is deep vein thrombosis of lower limbs or iliofemoral vein thrombosis, because it is easy to dislodge, if it blocks the main pulmonary artery after dislodging, there is a risk of sudden death, which may manifest as difficulty in breathing, severe pain in the chest, hemoptysis, etc., which needs to be paid attention to. Patients with venous thrombosis can drink more water to reduce the viscosity of blood, and avoid smoking and drinking, as these bad habits will promote the blood in a hypercoagulable state. In addition, pay attention to not to keep a posture for a long time, you can get up and move around regularly.