Major Vascular injury during laparoscopy is most deadly complication of laparoscopy. This report is review major vascular injuries based on surgeon's relation and literature. The incidence of MVI is 0,04-0,1%. Extremely important is to learn proper technique of insuflation. According to patient's physique surgeon should consider best technique of insuflation, take caution against slim people, and induct implements with proper angle. We should avoid excesive force during trocar and Verres's needle insertion, we also should avoid redundant movement after Verres needle is inserted in abdomen cavity. Elevation of the anterior abdominal wall at the time of Veress or primary trocar insertion is routinely recomended. Major vascular injury is seriously underestimated problem of laparoscopic operations.
Keywords: complications; insufflation; laparoscopy; major vascular injury.