The medicinal name of Beiqi should be Astragalus. Astragalus and wolfberry in water has the effect of benefiting qi and nourishing yin (tonifying qi and nourishing yin fluid). 1. Astragalus has the efficacy of strengthening the spleen and tonifying the middle, elevating yang and lifting up the sun (raising the yang qi of the body to lift up the sunken organs), benefiting the Wei and consolidating the surface, diuretic, and supporting the toxicity of the muscles (discharging poisonous evils and promoting the growth of the muscles and the healing of the wounds), and it can be used in the treatment of sweating, cold and flu, sores and ulcers which are caused by the deficiency of qi and not consolidated. It should be noted that it is not suitable to be used in solid cases and at the beginning of sores and ulcers. 2. Chinese wolfberry has the effect of nourishing the liver and kidney, benefiting the essence and brightening the eyes (tonifying the essence and promoting the recovery of eyesight), and can be used for the treatment of lumbar and knee soreness and weakness caused by deficiency of liver and kidney yin, night sweating, and dry eyes and other diseases. Avoid spicy and greasy food during the period of consumption. In summary, the combination of the two has the efficacy of benefiting qi and nourishing yin, and is suitable for the regulation of symptoms such as tiredness, fatigue, dry mouth and tongue, warmth in the palms and feet, constipation, insomnia, lumbago, vertigo, tinnitus, and other symptoms due to insufficiency of the liver and kidney (weakness of the liver and the kidneys), and deficiency of qi and yin (deficiency of both qi and yin fluids). However, the efficacy of astragalus and wolfberry in water is limited and cannot replace the treatment of diseases with medicines. If the patient is not feeling well, it is recommended to go to a regular hospital, under the guidance of a professional doctor to identify and treat.