Elderly leg and foot swelling gasping, that is, the elderly lower limb edema gasping, this situation is mostly seen in the pulmonary heart disease, pulmonary embolism, coronary heart disease cardiac insufficiency, cirrhosis of the liver loss of compensation, etc., is summarized as follows. 1. Pulmonary heart disease This disease is often due to chronic obstructive pulmonary disease, interstitial pneumonia and other lung diseases, induced by the right heart insufficiency, lower limb edema, dyspnea, wheezing performance. 2. Pulmonary embolism Often due to lower extremity venous thrombosis can lead to lower extremity edema, thrombus dislodgement can lead to pulmonary embolism, dyspnea, wheezing and other manifestations. 3. Coronary heart disease cardiac insufficiency Often due to coronary artery atherosclerosis leads to insufficient blood supply to the myocardium, heart enlargement, cardiac insufficiency, lower limb edema, wheezing and other manifestations. 4. Liver cirrhosis decompensation This disease will lead to hypoproteinemia, causing ascites, leading to diaphragmatic upward shift, causing respiratory effort, wheezing performance, at the same time there can be generalized edema, including lower limb edema. In short, the elderly appear lower limb edema wheezing, need to go to the hospital in time, early clear cause, for the cause of treatment.