Liver-sparing and Yang-enhancing refers to Liver-sparing and Yang-enhancing Capsule, which is suitable for functional impotence and mild arterial insufficiency impotence caused by liver-depressing and kidney-deficiency and liver-depressing and kidney-deficiency-cum-blood stasis evidence. Liver-sparing and Yang-boosting Capsule is composed of Chai Hu, Tribulus terrestris, Centipede, Calamus calamus, Nine-scented Worm, Serpentine, Bacopa monnieri, Leeches, Dilong, Cistanches, Cuscuta chinensis, and Apis mellifera. It has the effects of tonifying the kidney and activating blood (nourishing the kidney and promoting blood circulation), and relieving the liver and resolving depression (treating depression by unblocking the liver’s qi). It is clinically suitable for treating impotence with kidney deficiency and liver depression or concurrent blood stasis, fond of sighing, chest tightness, penile atrophy, insufficient hardness after erection, lumbago and leg weakness, petechiae on the tongue, or functional impotence, mild arterial hypoperfusion impotence with therapeutic effect. The use of the drug should be noted that the adverse effects of the drug is not clear, for people with bleeding disorders do not apply to the sparing liver and yi yang capsule, in addition, during the period of taking the drug, avoid smoking, alcohol, spicy and stimulating food. Patients with colds should not take. If necessary, it is recommended to go to a regular hospital, under the guidance of a professional physician to identify the evidence, according to their own situation, reasonable choice, not to take on their own, so as not to delay the condition.