The trigonelline contained in wax gourd can promote human metabolism and inhibit the conversion of sugar into fat. In addition, protein and citrulline contained in wax gourd seeds can moisturize the skin and inhibit the formation of melanin; Kelp is rich in iodine and various trace elements, which can eliminate body fat and cholesterol. Therefore, this soup can be described as a combination of whitening, freckle removal and weight loss, which is most suitable for people who are greedy for beauty.