No fruit has a significant decongestive effect. There is no fruit that has an obvious effect on swelling. Consumption of certain fruits, such as watermelon, can appear to increase the amount of urine, easy to make people think that there is a diuretic effect of swelling, but it is mainly due to the watermelon contains a large amount of water caused by the increase in the amount of urine. The more common diseases that lead to edema are heart failure, chronic nephritis, cirrhosis of the liver, lower extremity venous reflux disorder, hypothyroidism and so on. In addition to this, trauma, exertion, and prolonged standing can also lead to edema. After postural edema, it is recommended to elevate the edematous area to promote blood return, and most of them can be relieved. If the edema is not relieved for a long time, it is recommended to improve the urine routine, liver and kidney function and other related examinations, to clarify the cause of the disease, and then carry out the appropriate treatment.