Winter melon soup is popular in the south of the Yangtze River and the north of China. It is simple and easy to make. It is a kind of soup that people eat every day. It is rich in nutritional value, fresh in taste and cheap. It is rich in nutrients such as protein, carbohydrates, vitamins and mineral elements. 1. The content of dietary fiber in weight-reducing and lipid-lowering wax gourd is as high as 0.7%, which has the functions of improving blood sugar level, lowering cholesterol, lowering blood lipid and preventing arteriosclerosis. Wax gourd contains propanol diacid, which has a good effect on controlling the transformation of sugar into fat, preventing fat accumulation, preventing hypertension and losing weight. 2. Protecting kidney, regulating immune function, improving clinical symptoms and protecting renal function. Folk people have the effect of using winter melon skin, broad beans and water to decoct and drink water, which can treat edema of kidney disease and heart disease. Boiled soup of wax gourd and carp can treat chronic nephritis. 3. Clearing heat and resolving phlegm has the functions of clearing heat and resolving phlegm, reducing swelling and promoting diuresis.