ED是指阴茎持续不能达到或维持足够的勃起以完成满意的性交,是成年男性最常见的性功能障碍疾病之一,而且其发病率呈现逐年增加的趋势。ED的病因非常复杂,涉及生理性及心理性等多方面因素,因此治疗方面多采用以药物治疗为主,以心理行为治疗为辅的综合疗法,而其中针对原发疾病的药物治疗 ED refers to the penis continued to fail to reach or maintain sufficient erection to complete satisfactory sexual intercourse, is one of the most common sexual dysfunction in adult men, and its incidence showed a trend of increasing year by year. The etiology of ED is very complex, involving many physiological and psychological factors, so the treatment of more use of drug-based therapy, supplemented by psychological behavioral therapy, combined with the treatment of primary disease drug treatment