Huang Qi traditionally has the effects of tonifying Qi, strengthening the spleen and raising Yang, it is mainly used for deficiency of lung Qi, prolonged cough and deficient asthma, deficiency of spontaneous sweating and pulse, easy external sensation of wind and cold, weakness of spleen and stomach, little food, fatigue and weakness, deficiency of spleen, subluxation of middle qi, prolonged diarrhea and prolapse of anus, etc. It also has the effect of fixing the surface and stopping sweating, is used for spontaneous sweating of Qi deficiency, has the effect of diuretic, tootoxin and muscle production, mainly used for edema of Qi deficiency, Qi and blood deficiency, sores and ulcers decaying and difficult to heal. The dosage is 9-30 g. It should be noted that it is generally not suitable for use in cases of superficial deficiency, dampness, food stagnation, yin deficiency, hyperactivity of yang and heat poisoning of sores. You can use Astragalus powder as a tea substitute, or you can add it to boiled water or soup. It can also be used to treat diabetes and hypertension. It can be taken as a tea substitute or with a decoction of oyster, lady’s mantle, mulberry, cow’s knee, zedoary and hooked vine to treat hypertension.