Yang Qi Shi is pungent and warm, belongs to the kidney meridian, has the effect of warming the kidneys and strengthening the yang, and can treat impotence, failure to lift, and infertility due to uterine cold caused by kidney yang deficiency. Kidney yang deficiency is usually caused by vegetative yang deficiency or prolonged illness and kidney, clinically visible waist and knee pain, fear of cold limbs cold, impotence and premature ejaculation. This product is used alone and powdered to be taken, or with the combination of belladonna powdered together with the epiphyllum rice soup to be served. Yang Qi Shi can be used to treat cold semen and childlessness, and is usually combined with antler velvet, Cuscuta sinensis and Cistanche sinensis. Infertility due to uterine cold is usually caused by thin clothing or spleen and kidney yang deficiency, which is not cured for a long time. Yang Qi Shi can be used in combination with Cornu Cervi Pantotrichum, Dry Ginger and Radix Rehmanniae Praeparata. Yang Qi Shi is warm in nature and helps heat, if impotence and impotence, red tongue with yellow fur or excessive amount of leucorrhoea with strong odor in women, which is caused by yin deficiency and fire or damp-heat, the use of Yang Qi Shi is prohibited.