Astragalus is the king of tonifying qi. The earliest Chinese "Shennong Herbal Classic" listed Astragalus as "top quality". "Medicinal Formula" said: Astragalus is a strong agent, which has the effect of righteousness and righteousness, strengthening the spleen and stomach, discharging pus and relieving pain, and promoting blood circulation. Astragalus sweet warm, into the spleen channel, has the function of invigorating spleen qi, while into the lung channel, and can supplement lung Qi, can be used to treat lung Qi weakness caused by cough weakness, shortness of breath, clear sputum, low voice lazy symptoms. In addition to traditional Chinese medicine needs, Astragalus can be used in low-sugar health food, tea, cosmetics and other fields.