西瓜是夏天最好水果。《药性歌括四百味》载“西瓜甘寒、解渴利尿、天生白虎、清暑最好”。西瓜味甘可口，性寒能清暑热，除烦渴，利小便。暑天解烦渴湿病及小便不利等症，俗称“天生白虎渴”，是伏暑天的上等果品。西瓜原产非洲南部沙漠地带，是一年生草本野生浆果。四千多年 Watermelon is the best summer fruit. “Medicated song includes four hundred” contained “watermelon Ganhan, thirst diuretic, born white tiger, Qingshu best.” Sweet and delicious watermelon, cold can clear summer heat, in addition to polydipsia, Lee urine. Summer heat to relieve thirst and dampness and urination embolism, commonly known as “natural white tiger thirst,” is the first summer fruit V fertrant. Origin of watermelon desert in southern Africa, is an annual herb wild berries. Four thousand years