1. Improve the digestive system: vitamin C in lemon can help promote intestinal peristalsis, and rosewater contains a large number of anthocyanins, which can help digestion.

2. Beauty: Rose is rich in vitamin C, which can help detoxification, antioxidant, promote blood circulation of the skin, thus improving the color and texture of the skin.

3. Helps in weight loss: Rosewater lemonade contains fewer calories, which can help control diet and help reduce calorie intake.

4. Regulates the body's pH balance: Lemon juice is acidic and can help the body maintain pH balance.

5. Relieve stress: Rose has a calming effect and helps relieve tension and anxiety.

6. Improve sleep: rosehip lemonade can help relax the nerves and improve the quality of sleep.

In short, rosewater lemonade is a drink with multiple benefits and effects that can help maintain health and beauty.