Foods with better diuretic and edema-reducing effects include winter melon, potatoes, cucumber, lettuce, watermelon, red beans, pears, mung beans, barley, bitter melon, etc. Some foods have the effect of clearing heat and detoxifying. Beverages such as strong tea and coffee have the effect of diuretic and swelling reduction. The effect of diuretic and swelling reduction through food is limited, and if it is necessary to diuretic and swelling reduction for diseases, it is difficult to obtain the ideal effect by only relying on food, and it is necessary to apply drugs, and the drugs often chosen are furosemide, spironolactone and hydrochlorothiazide. To prevent electrolyte disorders from occurring while diuresis and edema reduction, especially if it leads to hypokalemia, it is necessary to treat diuresis and potassium supplementation at the same time, and it is recommended to go to the hospital for diuresis and edema reduction under the guidance of doctors.