多年生草本，高50-100厘米主根。肥厚，木質，常分枝，灰白色莖。直立，上部多分枝，有細棱，被白色柔毛多年生草本，。高50-100厘米

Perennial herb, 50-100 cm tall root. Hypertrophic, woody, often branched, gray stems. Erect, much branched above, with fine ribs, white perennial herb,. 50-100 cm high

羽狀複葉，有13-27片小葉，長5-10厘米；葉柄長0.5-1厘米；托葉離生，卵形，披針形或線狀披針形，長4-10毫米，下面被白色柔毛或近無毛；小葉橢圓形或長圓狀卵形，長7-30毫米，寬3-12毫米，先端鈍圓或微凹，具小尖頭或不明顯，基部圓形，上面綠色，近無毛，下面被伏貼白色柔毛

It is pinnate, with 13-27 leaflets, 5-10 cm long; petiole 0.5-1 cm; stipules free, ovate, lanceolate or linear-lanceolate, 4-10 mm long, below White pilose or subglabrous; leaflets elliptic or oblong-ovate, 7-30 mm long, 3-12 mm wide, apex obtuse or slightly concave, with small pointed or inconspicuous, base rounded, upper Green, nearly glabrous, below white villi.

有10-20朵花；總花梗與葉近等長或較長，至果期顯著伸長；苞片線狀披針形，長2-5毫米，背面被白色柔毛；花梗長3-4毫米，連同花序軸稍密被棕色或黑色柔毛；小苞片2,有時萼筒近於無毛，僅萼齒有毛，萼齒短，三角形至鑽形，長僅為萼筒的1/4-1/5；花冠黃色或淡黃色，旗瓣倒卵形，長12-20毫米.

It has 10-20 flowers; total pedicels and leaves nearly as long or long, to fruit significantly elongated; bracts linear-lanceolate, 2-5 mm long, abaxially white pilose ; Pedicels 3-4 mm long, slightly brown or black pilose with inflorescences bracteate; bracteoles 2; calyx campanulate, 5-7 mm long, outside white or black pilose, sometimes with calyx tube nearly glabrous , Calyx teeth hairy, calyx teeth short, triangular to subulate, longer than only 1 / 4-1 / 5 of calyx tube; corolla yellow or yellowish, flag flap obovate, 12-20 mm long,.

子房有柄，被細柔毛,果期7-9月

Pedicel slightly longer than valves; ovary shank, pilose.Fruiting:july to September

春秋兩季採挖，除去鬚根及根頭，曬乾，切片，生用或蜜炙用

Spring and autumn excavation, removal of fibrous roots and root head, dried, sliced, with raw

補氣固表，利尿托毒，排膿，斂瘡生肌的功效。用於氣虛乏力，食少便溏，中氣下陷，久瀉脫肛，便血崩漏，表虛自汗，癰疽難潰，久潰不斂，血虛萎黃，內熱消渴。

Supplements qi, secures the exterior, promotes urination, outthrusts toxin, expels pus, closes sore, engenders flesh. Apply to deficiency of vital energy causing debilitation, anorexia and loose stools, collapse of middle-warmer energy, anal prolapse due to long term diarrhea, hemafecia, metrorrhagia and metrostaxis, continuous persipiration due to superficial deficiency, persistent superficial infection, persistent ulcers, wilting due to blood deficiency, internal heat dispersion-thirst.

黃芪注射液可能導致皮疹、過敏性休克

Astragalus injection may cause rash, anaphylactic shock

https://www.sciencedirect.com/science/article/pii/S2405654516300762

Answer: Rash, anaphylactic shock.

Answer: Secures the exterior, promotes urination, outthrusts toxin.

Answer:It is because they are in the same family.And their appearance are nearly the same..