Men are least able to face intercourse is not erect such pain any male can not face. Let look at which series type symptoms. 1, vascular erectile dysfunction: erectile men with erectile dysfunction must have to complete three aspects of vascular changes. Any aspect of defects can make erectile dysfunction, vascular erectile dysfunction. 2, neurogenic erectile dysfunction: central and peripheral nerve lesions can cause erectile nerve reflex disorder, including intracranial disease, spinal cord injuries and diseases, peripheral nerve dysfunction. Mental erectile dysfunction: the inner spiritual factors, detests women, a sense of sexual crimes, the lack of male masculinity. Interpersonal factors, such as inappropriate dependence of the failure of competition, such as long-term anger and resentment. Behavioral factors, such as lack of sexual knowledge, wrong sexual experience. Endocrine erectile dysfunction: primary gonadal function is low, secondary gonadal dysfunction, hyperprolactinemia, hyperthyroidism, hypothyroidism and low sex hormones can affect change. 5, the common cause of erectile dysfunction drugs and other organic diseases: drug. Diseases of the reproductive organs of itself, such as hypospadias and epispadias and other diseases can also lead to erectile dysfunction. Tips: Oct. 28, 13 Chinese National Men's Health Day, http://www.dfmnyy.com/topic/20121101 This year's theme is: "concerned about men's health, build a happy family". According to a WHO survey of male reproductive worrying incidence of up to 51%; men between the ages of 20 to 40, 20% had prostatitis, 16% suffer from reproductive infection; men over the age of 40, 50% had sexual dysfunction and benign prostatic hyperplasia; 28% of the prepuce or phimosis; 10% of couples suffering from infertility. Chinese Men's Professional Committee the special joint Dongguan Oriental urinary specialist hospital organized the "2102 National Male diseases promotions clinics engineering activities, a 20% discount for the majority of male friends male disease treatment, the benefit of the majority of men's health, to promote family well-being and social harmony. Welcome to call expert hotline 0769 -87,059,060 or login QQ: 800 023 120 to communicate with our online experts direct exchange effect will be better! Address: Dongcheng Road, Dongguan City, Guangdong Province, with the East Rift Avenue Interchange