Edema can be caused by physiological or pathological reasons, pathological reasons such as heart disease, kidney dysfunction, liver disease, etc. To get rid of edema, you need to treat according to the cause. 1. Physiological reasons: sedentary and standing for a long time may cause edema, and edema of the limbs may also occur during pregnancy, which is a normal physiological phenomenon. Attention to rest, elevate the lower limbs, appropriate exercise can alleviate the symptoms. 2. cardiogenic edema: if the heart disease caused by myocardial lesions, triggered by heart failure, etc. will make the body appear generalized edema phenomenon, the patient should take cardiac treatment, such as phosphodiesterase inhibitors, digitalis and other drugs to increase the myocardial contractility, but also to take hydrochlorothiazide and other diuretics, to reduce the body of the situation of edema. 3. Renal dysfunction: chronic glomerulonephritis, nephrotic syndrome and other diseases can also cause edema, need to use methylprednisolone, prednisone, cyclosporine and other drugs. 4. Liver diseases: such as cirrhosis, hepatic necrosis, hepatocellular carcinoma and other diseases cause colloid osmotic pressure reduction and circulatory disorders, which can lead to hepatic edema. Patients can take furosemide, spironolactone and other drugs for treatment. Patients with edema are recommended to go to the hospital for consultation in time, and after clarifying the cause of the disease, reasonable medication and standardized treatment will be carried out according to the doctor’s guidance.