Astragalus essence oral solution should be astragalus essence, astragalus essence can generally be taken for how many days there is no authoritative data, but taking the drug for two weeks or during the period of no improvement in symptoms, or symptoms worsened, or the emergence of new serious symptoms, you should stop the drug and go to the hospital immediately. Astragalus Extract, composed of Astragalus. It has the efficacy of tonifying blood and nourishing qi, fixing the root and stopping sweating. It is used for superficial deficiency and spontaneous sweating (frequent natural sweating due to weakness of muscle surface) caused by deficiency of qi and blood, weakness of limbs, mental deficiency or debility due to prolonged illness, and lack of strength of the spleen and stomach. Avoid greasy food while taking. Not suitable for patients with colds. This product should be taken before meals. If there is any discomfort, it is recommended to consult a doctor. If medication is needed, it should be diagnosed by a doctor and regulated according to the doctor’s instructions.