Roasted Astragalus is the concocted and processed product of Astragalus membranaceus, and there is a certain difference between the two effects, in which raw Astragalus membranaceus is good at fixing the surface and stopping sweating (stopping sweating by consolidating the surface of the muscle), inducing water retention and eliminating swellings (facilitating the flow of urine and eliminating oedema), and supporting the sores to drain pus; while roasted Astragalus membranaceus is good at benefiting the qi and tonifying the middle. 1. Raw Astragalus: Its drug source is the dried root of the leguminous plant Astragalus membranaceus or Astragalus membranaceus, which is sweet in taste and slightly warm in nature, and has the effects of tonifying qi and elevating yang (tonifying qi in order to make yang qi rise and develop), inducing diuresis to reduce swelling, generating fluids to nourish blood (replenishing the body’s fluid and blood), promoting stagnation and paralysis, and converging sores to produce muscle growth (to help the sores to heal more quickly, and to promote the growth of new flesh). It can be used for the treatment of edema, blood deficiency and atrophy, limb paralysis and numbness, carbuncle and gangrene (a kind of poisonous sores, acute suppurative diseases occurring on the surface of the body, limbs, internal organs) difficult to ulcerate, and long ulceration does not converge and other diseases. 2. Roasted astragalus: that is, take astragalus piece, according to the honey-roasted method of frying until not sticky and become. It is sweet in taste and warm in nature, mainly has the effect of benefiting qi and tonifying the middle, and can be used in the treatment of qi deficiency and fatigue, loose stools with little food, prolonged diarrhea and prolapse of the anus, and so on. The adverse effects and contraindications of the above drugs are not clear. The efficacy and function of roasted astragalus and raw astragalus are quite different, the specific selection should be carried out under the guidance of the physician’s diagnosis, and should not be used blindly on their own.