First, anticoagulant drugs, including intravenous thrombolytic drugs, such as recombinant human fibrinogen activator, in addition to warfarin, which can be taken orally for a long time to prevent thrombosis, rivaroxaban and low-molecular heparin can also be used to treat pulmonary embolism; second, drugs for the treatment of pulmonary hypertension, such as aniracetam tablets, bosentan, iloprost, digoxin, all of which have a certain effect on lowering pulmonary artery pressure; third, drugs that play a symptomatic role. Thirdly, it is mainly used for symptomatic treatment. Lung function is usually poor after pulmonary embolism, so it is possible to apply drugs to improve pulmonary ventilation and diastolic airways, such as aminophylline and doxorubicin. All the above drugs can be used for the treatment of pulmonary embolism. It is suggested that patients suffering from pulmonary embolism should go to a regular hospital for examination and use appropriate drugs for treatment under the guidance of doctors.