Astragalus is a kind of Chinese herbal medicine that replenishes qi. It can be used to replenish qi and elevate qi, consolidate the surface to stop sweating (stop sweating by consolidating the surface of the muscle), diuretic and eliminate swelling (relieve urination and eliminate edema), support the toxin to expel pus (expel pus and toxins in the body), and regenerate muscles and astringent sores. However, the active ingredients of astragalus in water are limited, if you need to use, it is recommended to ask a physician to guide the diagnosis and treatment. Astragalus is sweet and warm, belonging to the spleen and lung meridian, it can strengthen the spleen and benefit the qi, raise the yang to lift the sunken organs, diuretic and seepage dampness (to promote the operation of the water to dispel dampness) to eliminate swelling, to support the toxicity of pus (to expel pus and venom in the body), the role of muscle astringent sores, and it can also be used to tonify the lungs, to benefit the qi to solidify the surface and to stop the sweat of the effect. Clinically, it can be used for the treatment of spontaneous sweating (involuntary sweating during the day, aggravated by sweating with a little movement), spleen deficiency and qi subsidence (deficiency of spleen and stomach qi, with the appearance of internal organs falling down and other manifestations), or qi deficiency does not regulate blood, blood and all kinds of hemorrhage caused by qi deficiency or blood stasis. In addition, for the deficiency of qi and blood caused by sores and ulcers do not converge for a long time or qi deficiency edema and other symptoms have a certain role in regulating. Food therapy can not replace the drug treatment, soak and drink can not completely analyze the active ingredients of the drug so can only play an auxiliary role in regulating, but also need to be in the doctor of traditional Chinese medicine under the guidance of the identification of reasonable application.