The most obvious effect is watermelon, pineapple, grapes, oranges, lemons, tomatoes, kiwi, etc. These fruits are rich in sugar and water, which can effectively reduce swelling and diuresis; some vegetables also have a good diuretic effect, such as winter melon, bitter melon. If the edema is more serious, it is necessary to use drugs to reduce the swelling and diuresis, such as furosemide, hydrochlorothiazide, spironolactone, etc. While using drugs to reduce the swelling, attention should be paid to monitoring the electrolyte level in the body to prevent hypokalemia. The patient should drink more water and urinate more often, which also has a certain diuretic effect on swelling, and the cause of edema should be found in time, and the primary disease should be treated in time to solve the problem at source.