Abstract:Pulmonary embolism and deep venous thrombosis are collectively referred to as venous thromboembolism, while pulmonary embolism is generally caused by deep venous thrombosis, which has the characteristics of sudden and mortality. Lung cancer is the most common cancer, and is also the leading cause of cancer death in men and the second cause of cancer death in women all over the world. Pulmonary embolism is one of the common complications of lung cancer, which will affect the survival time of lung cancer patients and make the symptoms of lung cancer more complex and difficult to distinguish. Correct identification and effective anticoagulation therapy can reduce the mortality of lung cancer complicated with pulmonary embolism. Therefore, this article is to review the research progress of lung cancer complicated with pulmonary embolism.