Lock Yang is a Chinese herbal medicine, men use its bubble water to drink tea instead of specific days can see the effect, mainly related to the purpose of its use, for intestinal dry constipation, the short term may have a certain effect; but for the lack of kidney yang (lack of yang of the kidneys), essence and blood deficiencies, the effect of the time is relatively longer, it may take from 1 to 2 months. The drug source of lock yang is the dried fleshy stem of lock yang plant of the lock yang family, which is sweet in taste, warm in nature, and belongs to the liver, kidney and large intestine meridians, with the effect of tonifying kidney yang, benefiting essence and blood, moistening the intestines and relaxing the bowels. It can be used in the treatment of lumbar and knee impotence due to insufficiency of kidney yang and essence and blood, impotence and slippery sperm and constipation due to intestinal dryness and constipation. The adverse reactions of this product are not clear at present. Note that it is prohibited for those who are allergic to this product, allergic individuals should take it with caution, and it is contraindicated for those with yin deficiency and fire (deficiency of yin and essence in the body and hyperactive deficiency fire), spleen deficiency and diarrhea (diarrhea caused by weak function of the spleen), and constipation with solid heat. In addition, Chinese herbs brewed water to drink tea, the active ingredients precipitation is limited, and a single drug therapeutic effect is also limited, so it is not recommended to blindly use Chinese herbs brewed water to drink tea, if you are not feeling well, you should also actively seek medical treatment, or use Chinese herbs brewed water to drink under the guidance of a physician.