The causes of erectile dysfunction (ED) are various. Stagnation of liver qi and kidney defi ciency are the most important basic pathogenesis. At the same time, the occurrence of ED is closely related with heart, spleen and lung, which can be regulated fl exibly in clinic. This paper investigated the etiology and pathogenesis of ED from the perspective of zang-fu viscera, discussed the point selection of ED based on the ancient and modern acupuncture literatures, and expounded the treatment thoughts of 'acupuncturing five meridians to regulate five internal organs' in treating ED from the persp...