How long does it take to treat pulmonary embolism in general needs to consider the severity of the condition, the treatment mode, the patient’s nutrition, the state of mind, etc. The treatment time varies, and it takes about 2 weeks if it goes well. Pulmonary embolism mainly refers to pulmonary artery embolism, may be acute or chronic, the scope of embolism also varies, after the onset of the disease, some may have difficulty breathing or even sudden death, the severity of the disease varies from person to person, resulting in different treatment modalities. Acute pulmonary embolism may require symptomatic supportive therapy, respiratory mechanical assisted ventilation therapy, maintenance of the internal environment stabilization based on thrombolytic therapy, surgical removal of thrombus and other measures. Chronic pulmonary embolism usually has a large thrombus, the individual’s symptoms are not severe, thrombolytic therapy is ineffective, and may require surgical removal of the thrombus, pulmonary endarterectomy and other treatments. Differences in the conditions of different patients lead to different time spent on treatment, and the nutritional status and state of mind of the patient after surgery will have an impact on recovery.