A pharmaceutical composition with higher curative effect on benign prostate hyperplasia and emiction disorders. It uses plants such as ginseng and ginkgo as well as cassia twig, cinnamon and liquorices as raw materials in both food and medicine. 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 health food to treat and improve benign prostate hyperplasia and emiction disorders caused by benign prostate hyperplasia.