1, benefits: nourishing the heart and enriching the blood. In ancient Li Shizhen, red beans were called "Valley of the Heart", which emphasized the nourishing effect of red beans. Red beans can not only clear the heart fire, but also make up the hard work. It is rich in crude fiber, which is helpful to reduce blood fat, blood pressure and improve heart activity in clinic. At the same time, it is rich in iron, which can promote qi and replenish blood, and is very suitable for hard work. Keep your hands and feet from being cold in winter.

2. Disadvantages: Red bean water is more effective for edema caused by heavy taste, stress or poor defecation. Patients with edema caused by diseases should pay special attention to controlling water intake. For example, patients with chronic kidney disease, because of renal filtration dysfunction, can not discharge the water they drink, but increase the burden on their bodies. It is not recommended to drink red bean water. In addition, drink red bean water as hot as possible, otherwise it will delay metabolism.