Beginning with the origin and key point of treatment

the authors summarize Professor MEN Chengfu’s clinical experience and medication characteristics in treating impotence systematically. Prof. MEN puts forward that deficiency and excess differentiation should be the first in treating impotence. The treatment should replenish kidneyyang without injuring kidney-yin. Prof. MEN advocates treating from liver

and regulating heart-mind. Meanwhile

spleen-stomach should be protected. Chronic diseases will transform into collaterals. Therefore

promoting blood circulation and removing obstruction in collaterals should be used for patients with long illness. As for medication

Prof.MEN advocates Guizhi [Ramulus Cinnamomi

桂枝] and Baishao [Radix Paeoniae Alba

白芍] must be used

and Huangqi [Radix Astragali seu Hedysari

黄芪]should be used in high dose. Prof. MEN is good at using wind-expilling herbs. As for treating simultaneous phenomenon

Prof. MEN often adds self-designed Sanwei Decoction（ 三味方）.