Yang Qi Shi drink water is generally 3 ~ 7 days can see the effect, but the therapeutic effect will vary from person to person. Yangqi stone is warm in nature, has a strong yang to start impotence, warm uterus to help pregnancy effect, clinical use of more with other medicines to make. If used to treat kidney yang deficiency (lack of yang energy in the kidneys), impotence and premature ejaculation, lumbar and leg pain, etc., can be combined with astragalus, deer antler, cuttlebone and so on. If the treatment of cold uterus, infertility, cold pain in the abdomen, etc., can be combined with dry ginger, Cornus officinalis, hyssop, etc.. The effect time of Yangqi stone soaking water will be affected by individual constitution, condition and other factors, usually for 3~7 days. However, the effect of drinking Yangqi stone in water is limited, and this product should not be taken for a long time. The adverse effects of Yangqi Shi are not clear. This product is contraindicated for people with yin deficiency and fire exuberance (deficiency of yin essence in the body and the appearance of hyperactive deficiency fire). If you have symptoms, you should take the medicine under the guidance of a professional doctor, do not take the medicine blindly, in order to avoid delays or adverse reactions.