Astragalus is a qi tonic herb, while Lycium is a yin tonic herb, so the two together in water, mainly has the effect of benefiting qi and nourishing yin. It can be used to treat symptoms such as liver and kidney deficiency, Qi and Yin deficiency, resulting in mental fatigue, lassitude, weakness, lazy speech, dry mouth and tongue, heat in the heart of the hands and feet, constipation, insomnia, dreaminess, lumbago, back pain, dizziness and tinnitus. In addition, the combination of the two also has the effect of strengthening the body, improve the body’s immunity, for the usual weak, love to catch a cold, physical fatigue, weakness, or physical weakness of the sweating people have a certain effect on the conditioning. However, because the nature of astragalus tends to be warm and tonic, while the nature of wolfberry is more nourishing and greasy, so it is not recommended to take it if you have a damp-heat body, or during a heat illness, it may aggravate the symptoms of damp-heat in the body. This is especially true for adolescents or people with a strong constitution, which is more likely to occur.