Why do many people buy green bean paste on the street, but seldom sell red bean paste? Shennong's Herbal Classic in Han Dynasty states its functions: "Red beans can dredge the small intestine, facilitate urination, reduce swelling and expel pus, remove heat and detoxify, treat dysentery and beriberi, quench thirst and hangover, and promote lactation and give birth. "Therefore, in Sun Simiao's" Prepare for a Urgent Need ",there will be a medicated diet cooked with red beans and carp to improve edema beriberi caused by pregnant women in the late pregnancy. It is precisely because carp can nourish and diuresis, while red beans can diuresis, clear away heat and detoxify. In traditional Chinese medicine, red beans can improve the edema caused by kidney, heart and beriberi, which is mainly due to the effect of saponin compounds contained in them. Besides diuresis and constipation prevention, they also have the functions of detoxification and emesis. The content of saponin compounds in the seed coat of red beans is particularly high, so don't peel red beans when cooking. According to modern nutritional analysis, red beans are rich in vitamin b 1, which can not only prevent fatigue substances from depositing in muscles and prevent beriberi, but also make sugar easier to decompose and burn. Therefore, red beans also have the effect of preventing obesity. Herbology of Eating says: "Eating thin people for a long time. The red bean carp soup attached is a famous slimming dish. Red bean is a very suitable food for women, because it is rich in iron and has a good blood-enriching function. Whether it is aimed at improving postpartum hypogalactia's condition of pregnant women or relieving discomfort symptoms of ordinary women during menstruation, drinking a bowl of hot red bean soup often can play a role in regulating menstruation and promoting lactation. However, it must be noted that it is best not to mix with sweet food such as glutinous rice balls and rice balls, because the heat will be too high, but you can add a little brown sugar, which will have a warm-up effect.