Pulmonary embolism is a disease caused by emboli in the pulmonary artery, resulting in abnormal blood supply, and does not involve the best elimination methods, mainly symptomatic treatment, according to different conditions commonly used treatments include anticoagulation, thrombolytic therapy and interventional therapy. 1. Anticoagulation: If the lesion is relatively mild and there is only slight embolism, anticoagulant drugs such as heparin can be applied to control the disease as prescribed by the doctor. 2. Thrombolytic therapy: if the condition is critical and the patient has no contraindication to thrombolytic therapy, thrombolytic drugs such as urokinase can be applied as prescribed by the doctor. 3. Interventional therapy: If conservative treatment is ineffective and the condition is critical, interventional therapy is needed to unblock the pulmonary artery. In addition to the elimination of intrapulmonary emboli, prophylactic treatment, such as inferior vena cava filter placement. Once the obvious cardiopulmonary function abnormalities, need to consult a doctor in a timely manner, under the guidance of the clinician for standardized treatment, the use of drugs need to strictly comply with the doctor’s instructions, do not self-medication.