Astragalus membranaceus and ginseng are representative drugs for invigorating qi, which are widely used in clinic. They can be drunk in water from the following aspects:

1. It can replenish the middle qi, and the atmosphere has a good effect on debilitating diseases, or elderly people with weak constitution and long-term bedridden patients.

2. Astragalus can improve human immunity and prevent colds or chronic diseases such as hypertension, diabetes and coronary heart disease.

3. Radix Astragali and Radix Ginseng can also delay aging, improve the symptoms of menopausal patients, and have a good regulatory effect on irregular menstruation of female patients.