A pharmaceutical composition with higher curative effect on benign prostate hyperplasia and emiction disorders is disclosed. It uses plants such as ginseng and gingko as well as cassia twig, cinnamon and liquorices both for food and medicine as raw materials. These raw materials are decocted or extracted separately in ethanol solution or water, then concentrated and dried to make the said pharmaceutical composition. Because this pharmaceutical composition is not toxic and has no side effect, it can be prepared as a medicament and healthy food to treat and improve benign prostate hyperplasia and emiction disorders caused by benign prostate hyperplasia.