Watermelon rind boiled water has thirst quenching, heat relief, diuretic effect, commonly used in the treatment of edema, urinary shortness, summer heat and thirst, mouth and tongue sores and so on. However, it should be noted that a single drug boiled water to drink the active ingredients precipitation is limited, such as the need for medication, it is recommended that the doctor’s evidence under the guidance of other drugs with the use of water decoction way to take medication. Watermelon rind is also known as watermelon cuiyi. Watermelon rind belongs to the heat-clearing medicine in the heat-clearing medicine, the family for the cucurbit plant watermelon rind of the outer layer. Watermelon rind is sweet and cool in nature. Watermelon skin enters the spleen meridian, stomach meridian. Watermelon rind can be used internally and externally. Watermelon rind has thirst, clearing summer heat, relieve fever, the effect of urination, long for the treatment of edema, urinary shortness, summer heat and thirst, mouth and tongue sores and so on. Watermelon rind is cold in nature, so it is prudent to use watermelon rind to boil water for those who have cold spleen and stomach (spleen and stomach weakness and cold), loose stool (thin and unshaped feces) and diarrhea. The adverse effects of watermelon rind are not known. If needed, please use under the guidance of a professional Chinese medicine practitioner.