Edema type body patients are recommended to drain through the following four ways: First, food drainage, such as eating more winter melon, watermelon and other foods, has a diuretic effect, can promote the discharge of body fluids. Second, drug drainage, clinical often use furosemide, spironolactone, torasemide and so on to promote urine drainage. Third, the application of substances to increase plasma colloid osmotic pressure, such as intravenous infusion of albumin, etc., to promote fluid drainage by increasing the plasma colloid osmotic pressure, applied to nephrotic syndrome, cirrhosis and other diseases. Fourth, renal replacement therapy, such as hemodialysis, hemofiltration, etc., is applied to patients with refractory oliguria, or even anuric nephrotic syndrome and renal failure.