Men’s kidney tonic need to identify the use of medicines, such as tonifying kidney yin with Dendrobium, tonifying kidney yang with Cistanchis, etc., but the effect of water is not as effective as into the soup decoction. 1. Dendrobium has the effect of benefiting the stomach and generating fluids (nourishing the stomach by replenishing fluids in the stomach), nourishing yin and clearing heat (nourishing yin essence and clearing heat), which can nourish yin of the kidney and reduce the deficiency fire, and is used for treating impotence of the muscles and bones due to deficiency of the kidney and yin, and bone vapor and labor heat caused by yin deficiency and fire (deficiency of yin essence in the body and the hyperactive fire in the deficiency fire), etc. This product may astringent the disease, but it is not as effective as decoction in soup. This product may astringe the disease, and should not be used at the beginning of warm disease (fever, fear of cold, headache, etc.); Dendrobium helps dampness, such as dampness and warmth (warm disease caused by feeling dampness and heat) has not yet been transformed into dryness should not be taken. 2. Cistanchis has the function of tonifying kidney yang, benefiting essence and blood, moistening the intestines and laxative, treating impotence caused by deficiency of kidney yang (lack of yang of kidney), deficiency of essence and blood, lumbar and knee soreness (feeling of soreness and weakness of lumbar and knee), weakness of sinews and bones and constipation caused by dryness of intestines and stools. This product is warm in nature, and is contraindicated in cases of yin deficiency and fire exuberance, as well as in cases of loose stools (thin and unformed feces) and diarrhea. It is not suitable for people with solid heat in the intestines and stomach and constipation due to heat knot. The above medicines are usually decocted in soup, and the effect of soaking in water is limited. The above two drugs should be used under the guidance of a physician, do not use drugs blindly. Men with kidney deficiency and kidney loss should seek medical attention in a timely manner, by the physician to determine the use of medication, do not blindly take drugs, so as not to delay or aggravate the condition.