1. Promote digestion: Both Euryale ferox and lotus leaf help promote digestion and reduce abdominal distension, while lemon can also promote gastric juice secretion and relieve indigestion.

2. Dehumidification and drainage: Lotus leaf has the function of eliminating dampness, which can reduce body edema and also has diuretic effect, which helps to eliminate excess water in the body.

3. Lowering blood pressure: Vitamin C, flavonoids and other substances contained in lemon help to lower blood pressure and prevent hypertension.

4. Enhance immunity: Euryale ferox contains a variety of trace elements and vitamins, which helps to enhance human immunity and prevent diseases such as colds.

5. Lose weight and shape: Lotus leaf can promote fat decomposition and burning, which helps to lose weight and improve body shape. At the same time, lemon is rich in citric acid, which can help the body detoxify and promote metabolism.