Astragalus has the effect of tonifying qi and consolidating the epidermis (consolidating the epidermis by tonifying qi), elevating yang and lifting traps (elevating yang qi in the body to lift the sunken organs), etc. It is mainly used for treating shortness of breath and weakness, and sweating due to the weak epidermis, so astragalus in water has the same effect. However, it is important to note that it may be difficult to completely analyze the active ingredients in the Chinese herbal medicine by soaking in water, and it is recommended that decocted water is better. Astragalus belongs to the qi tonic Chinese medicine, nature is slightly warm, taste sweet, into the lungs, spleen meridian, with astragalus bubble water to drink, has a qi solid surface, Yang lift the effect of trapping. It can be used to treat shortness of breath and laziness caused by spleen and lung qi deficiency, fatigue (mental exhaustion, physical weakness), qi deficiency and spontaneous sweating (involuntary sweating during the daytime, aggravated by sweating with a little movement), loose stools (scanty and unshapely feces), visceral subsidence, and prolapse of the anus. In addition, Astragalus water can also promote water retention and eliminate swelling (to facilitate urination and eliminate edema), and promote toxicity and muscle growth (to expel poisonous evils and promote muscle growth and wound healing), and is often used in the treatment of qi deficiency and edema, sores and ulcers that are difficult to ulcerate and astringent, and other conditions. Adverse effects of Astragalus is not clear, patients are advised to standardize the use of medication under the guidance of traditional Chinese medicine practitioners to identify the evidence, and not blindly self-medication.