Various causes can lead to iliocaval venous obstruction. These pathologies include non-thrombotic or thrombotic that may be conducive to venous hypertension or extensive lower deep vein thrombosis. The most frequent pioneer to chronic pelvic venous outflow obstruction is iliofemoral DVT. Aware of endovascular treatments for iliocaval venous obstruction in recent years will help the clinicians to increase their knowledge to achieve improving the final results of treatment of these patients.