Astragalus, with or without concoction, according to the Pharmacopoeia 2020 edition, is generally used in traditional Chinese medicine with 9-30 g. The specific dosage should follow the advice of a medical practitioner. Astragalus is sweet and slightly warm in nature, belonging to the lung and spleen meridians. It has the effects of elevating yang and tonifying qi, stopping sweating and consolidating the surface, inducing diuresis and subduing swelling, nourishing blood and promoting the production of fluids, moving stagnation and paralysis, astringing sores and regenerating the muscles (helping sores to heal faster and promoting the growth of new flesh), and supporting toxins and draining pus (draining pus and toxins from the body). It can be used to treat fatigue and qi deficiency, loose stools (thin and unshaped feces), poor appetite, middle qi subsidence (deficiency of spleen and stomach qi, with manifestations such as falling of internal organs), prolapse of the anus, prolonged diarrhea, blood in stools, metrorrhagia (excessive menstrual flow or dribbling), carbuncle (a kind of poisonous sores, which is an acute suppurative disease that occurs in the surface of the body, the limbs, and the internal organs), and so on. The adverse reactions and contraindications of Astragalus are not clear. Patients are advised to seek prompt medical attention if they feel unwell, and should not take it on their own to avoid delaying their condition.