Zhe Huangqi is a perennial herbaceous plant of the legume family Astragalus membranaceus and Mongolia Astragalus, the same as Astragalus medicinal, to the root of the medicine. The root contains astragalus saponin, isoastragalus saponin, soybean saponin I, choline, betaine, β-sitosterol, carotene, amino acids, linoleic acid and linolenic acid. Sweet flavor, slightly warm nature. It has the functions of tonifying qi and fixing the surface, diuretic, toxin, and muscle growth. The main treatment of body weakness and self-sweating, prolonged diarrhea and prolapse, uterine prolapse, chronic kidney type, cerebral thrombosis, anemia, and used to prevent colds and flu. Mainly produced in Heilongjiang, Shanxi, Inner Mongolia, Jilin, Gansu, Hebei, Shaanxi and other provinces and autonomous regions. Most areas in the north of China are cultivated. 2 to 5 years harvest. At present, more than one year of seedling transplanting 1 ~ 2 years after the harvest.

Prefer cool dry climate, drought, cold, fear of heat, fear of flooding, seedlings are weak and afraid of strong light. Adult plants like drought and full sunlight. It is a deep-rooted class of herbs, requiring deep, humus-rich, permeable neutral and slightly alkaline sandy loam, clay and heavy saline soil should not be planted.