If a patient with high blood pressure has a combination of yin deficiency and hyperactivity of yang (deficiency of yin fluid and hyperactivity of yang qi), or if heat and toxicity are still prevalent after an ulcer or at the beginning of an ulcer, it is not suitable to consume astragalus, because astragalus can worsen the above conditions by tonifying qi and elevating yang (tonifying qi so that yang qi can be elevated and developed). Therefore, it is necessary to judge whether or not and how to take astragalus after a professional physician has identified the symptoms. Astragalus is sweet in taste and warm in nature, with the effects of benefiting the guards and consolidating the surface, generating fluids and nourishing the blood (replenishing the body’s water and blood), tonifying qi and elevating the yang, inducing diuresis and eliminating swelling (relieving urination and eliminating oedema), supporting toxins and draining pus (discharging pus and toxins from the body), promoting the circulation of stagnant paralysis, and restraining sores and promoting the growth of muscles (helping to heal sores and promoting the growth of new flesh). It is mainly used in treating qi deficiency and weakness, loose stools (thin and unformed feces), edema and urination, hemorrhagic leakage (excessive menstrual flow or dripping), prolonged diarrhea and prolapse of the anus, qi and blood deficiency, spontaneous sweating (involuntary sweating during the daytime, aggravated by sweating with slight movement), internal heat and thirst (fever accompanied by symptoms such as overeating and excessive urination), hemiplegia (inability to move one side of the limbs at will), and other conditions. Because of its qi and yang effect, yin deficiency and hyperactivity of the person taking it will make the condition more serious; sores at the beginning or ulcers after the heat is still full of people taking astragalus, but also because of its sweet and warm nature is not conducive to the sores to subside or astringent. It is recommended that people with high blood pressure consult a doctor in a timely manner, under the guidance of the doctor to standardize the treatment, should not be self-medication, in order to avoid adverse consequences.