Lock yang water that lock yang as raw materials brewed tea, generally short-term drinking will not have much effect, so drink lock yang water an hour usually do not see the effect. Lock yang for lock yang family plant lock yang dry fleshy stems, taste sweet, sexual temperature, has a tonic kidney yang, benefit essence and blood, laxative effect, can be used for kidney yang insufficiency (lack of yang qi of the kidneys), deficiency of essence and blood, lumbar and knee impotence, impotence and constipation and other symptoms of intestinal dryness. However, it should be avoided in cases of yin deficiency and fire (deficiency of yin and essence in the body, resulting in hyperactive fire), spleen deficiency and diarrhea (diarrhea caused by a weak spleen), and constipation due to solid heat. Its brewing water to drink tea also has the above effects, for the improvement of the above conditions have a certain role, but the use of water can play a limited role in the efficacy of the drug, it can not replace the medication, if you are not feeling well, should also be timely and active medical treatment, do not blindly self-medication using Chinese herbs brewing water to drink tea.