1. Improve immunity: Astragalus membranaceus is rich in polysaccharides and various trace elements necessary for human health, which can improve immunity.

2. Supplementing qi and nourishing blood: Astragalus membranaceus is an important tonic medicine in traditional Chinese medicine, which can supplement the qi and blood needed by the human body and promote blood circulation in the body.

3. Eliminate fatigue: Because Astragalus has a strong antioxidant effect, it can promote blood circulation, relieve fatigue and stress, and improve human vitality.

4. Improve sleep: A variety of effective components in Astragalus help to relieve the tension of the liver and nervous system, and relieve insomnia and anxiety.

5. Regulating blood sugar: Astragalus contains many beneficial ingredients, which can regulate the blood sugar level of human body and prevent and treat metabolic diseases such as diabetes.

In a word, drinking Astragalus tea in water for a long time can effectively protect health, improve immunity, relieve fatigue and stress, improve sleep quality and prevent and treat many diseases. However, it should be noted that pregnant women and people suffering from diseases such as hypertension and liver disease should not drink Astragalus tea excessively.