Deer antler and astragalus together have the effect of benefiting qi and strengthening the epidermis, warming and tonifying kidney yang (warming and replenishing kidney yang). Deer antler is sweet, salty and warm in flavor. It has the effect of tonifying the kidney and strengthening the yang (tonifying the kidney’s yang), producing essence and blood, tonifying the marrow and strengthening the bones. Deer antler is mainly used for kidney yang deficiency (deficiency of yang qi in the kidney), deficiency of essence and blood, impotence and fear of cold, cold uterus, infertility, spermatorrhea, cold pain in the waist and knees, and softness of the tendons and bones. Astragalus, gas slightly warm, sweet and flat flavor. It has the effect of tonifying qi and elevating yang (tonifying qi so that yang qi rises), benefiting qi and consolidating the surface, inducing diuresis and eliminating edema (facilitating urination and eliminating edema). It is mainly used for symptoms such as weakness caused by qi deficiency, prolapse and leakage (excessive menstrual flow or dripping) caused by the sinking of the middle qi (deficiency of the spleen and stomach qi, with manifestations such as the lowering of the internal organs), and self-sweating (involuntary sweating during the daytime, aggravated by sweating with a slight movement) and oedema caused by deficiency of the surface qi. The adverse reactions or contraindications of antler velvet and astragalus are not clear. Combination needs to be carried out under the guidance of a professional Chinese medicine practitioner’s identification of the symptoms, and should not be used without authorization, in order to avoid adverse consequences.