Astragalus does not have the effect of raising blood pressure. Astragalus is sweet in taste, slightly warm in nature, belonging to the lung and spleen meridians, and is good for reducing water retention and swelling (facilitating urination and eliminating edema), tonifying qi and raising yang (replenishing qi so that yang qi can rise), promoting stagnation and paralysis, benefiting the guards and consolidating the epidermis, restraining sores and regenerating the muscle (helping sores to heal more quickly and promoting the growth of new flesh), generating fluid and nourishing the blood (replenishing the body’s fluids and blood), and supporting toxins to drain pus (draining out the body’s pus and toxins). Astragalus can be used in the treatment of carbuncle (a kind of poisonous sores, occurring on the surface of the body, limbs, internal organs of the acute suppurative disease) difficult to ulcerate, long ulceration does not converge, the central qi sinking (spleen and stomach qi deficiency, the appearance of internal organs falling, etc.), prolonged diarrhea prolapse, qi deficiency, weakness, edema, urine, loose food (feces sparse and unshapely), coughing, shortness of breath, paralysis and numbness, etc.. Adverse effects of Astragalus is not clear, if the blood pressure is low, it is recommended to go to the hospital, do not self-medication.