In general, astragalus can be drunk together with black tea. Astragalus has the effects of tonifying qi and elevating yang, consolidating the surface and stopping sweating (stopping sweating by consolidating the muscle surface). It is mainly used for the treatment of qi deficiency and fatigue, loose stools (thin and unformed feces), Qi subsidence (deficiency of the spleen and stomach qi, with the appearance of internal organs falling), prolonged diarrhea and prolapse of the anus, blood in the stools and leakage of menstruation (menstruation with excessive amount of blood or more than a drip), sweating (due to the weakness of the muscle surface of the frequent sweating naturally), qi deficiency and oedema, and so on. There is no contraindication to the use of astragalus and black tea together, and in general the two can be taken together. However, the effect of astragalus in water or boiled water is limited and generally does not achieve a therapeutic effect. If there is any discomfort after drinking astragalus and black tea together, it is recommended to stop using it and seek medical attention promptly.