80-year-old people can eat astragalus in moderation, specific whether to use should be under the guidance of a doctor to use medication. Astragalus is a kind of traditional Chinese medicine, which has the effects of tonifying qi and elevating yang (tonifying qi in order to elevate yang qi), stopping sweating (stopping sweating by reinforcing the surface of the muscle), promoting stagnation and paralysis, inducing diuresis and eliminating swelling (relieving urination and eliminating oedema), astringing sores and regenerating the muscle (helping sores to heal more quickly, and promoting the growth of new flesh), and supporting toxin and draining pus (discharging pus and poison from the body). 80-year-old people may have insufficient qi and blood, qi deficiency and fatigue, loose stools (thin and unformed feces), Qi subsidence in the middle (spleen and stomach qi deficiency, appearing in the internal organs, such as the performance of the fall), blood deficiency and yellowish atrophy, surface deficiency and self-sweating (due to the weakness of the surface of the muscles and frequent natural sweating), hemiplegia (one side of the limbs can not be free movement), paralysis and numbness and other discomforts, you can be a professional practitioner to mix with and then use astragalus. However, it is not necessarily suitable for 80-year-olds to take Astragalus, such as 80-year-olds belonging to the solid evidence patients, after taking Astragalus is likely to lead to the existence of heat in the body, appearing mouth and tongue sores, dry stools, red face and eyes, and other discomforts; such as 80-year-olds belonging to the yin deficiency patients, after taking Astragalus will contribute to the body’s excessive yang, aggravate the symptoms of yin deficiency in the body. Astragalus adverse reactions and contraindications are not clear. The 80-year-old should be guided by a professional Chinese medicine practitioner to eat astragalus, not self-medication.