Astragalus essence oral solution has better effect of replenishing blood and nourishing qi, fixing the root and stopping sweating, mainly used for the treatment of qi deficiency and blood deficiency evidence, and has certain effect of improving immunity. Astragali Essence Oral Liquid is a kind of common Chinese patent medicine oral liquid in clinic, and its main ingredient is Astragalus. This drug has a good effect of nourishing qi and blood, supporting the positive and solidifying the root, stopping sweating, etc. When qi and blood deficiency leads to surface deficiency and spontaneous sweating (due to frequent natural sweating due to the weakness of the muscle surface), weakness of the limbs, lack of energy, mental deficiency and other symptoms, you can take Astragalus Essence Oral Liquid for treatment. To summarize, Astragalus Extract Oral Liquid has a better effect of replenishing qi and nourishing blood, and low immunity is regarded as deficiency of positive qi in Chinese medicine, so Astragalus Extract can improve immunity. When the deficiency of qi and blood leads to low immunity and the above mentioned uncomfortable symptoms occur, it is possible to take Astragali Essence Oral Liquid for treatment. Its adverse reactions and contraindications are not clear, Astragalus essence oral solution should be used properly under the guidance of a professional physician to avoid adverse consequences.