Three kinds of people can not eat astragalus claim has no basis, astragalus for the beginning of sores, table solid evil patients should not be used, allergic patients prohibited from use. Astragalus taste sweet, slightly warm, to the spleen, lung meridian, have to replenish the qi and Yang, solid surface stop sweating, diuresis, swelling, blood, stagnation through the paralysis, to the poison pus, convergence of sores and the efficacy of the muscle. It is often used in the treatment of qi deficiency and fatigue, loose stools with little food, sagging of qi in the middle, prolonged diarrhea and prolapse of the anus, hemorrhage and leakage, sweating from the surface, edema with deficiency of qi, internal heat and thirst, and atrophy and yellowish color with deficiency of blood. If there is a need for medication, it should be prescribed by a physician after identification and typing, and the medication should be used under his guidance, not blindly, so as not to cause adverse effects on the body.