”On the liberalization of the second child, a heartbreaking sigh after 70: When I was hard, the policy was harder than me. Now that the policy is soft, I am even softer than the policy.” This is a very widely circulated on the network a paragraph, flirtatiously said most men’s heart, today I will tell you how to make yourself a “hard man”! 1, the definition of penile erectile dysfunction (ED), also known as impotence, inactivity, refers to the persistent inability of the penis to achieve and (or) maintain an erection sufficient to obtain a satisfactory sex life, no or almost no sperm into the female reproductive tract, the onset of not less than 3 months. It is a common prevalence among adult men. The famous Massachusetts Study (MMAS) showed that the prevalence of erectile dysfunction among men aged 40-70 years was 52%, and the prevalence of mild, moderate and severe erectile dysfunction was 17.2%, 25.2% and 9.6%, respectively. A domestic survey found that the prevalence of ED in men over 40 years old was 40.2%, of which 24.5%-26.14% were aged 30-50 and 43.37%-65.32% were aged 50-70. 1, the classification of penile erectile dysfunction (1). Psychological ED: Although more and more research data now show that ED with organic factors, but psychological factors are still an important cause of ED. (2). Vascular ED: penile vascular lesions are one of the common causes of erectile dysfunction, and can be clinically classified as arterial ED and venous ED. (3). Neurological ED: injury and lesions of the brain, spinal cord, spinal nerve roots, pubic nerve or cavernous nerve can lead to decreased or absent erectile function. (4). Endocrine ED: various diseases that cause hypogonadism can lead to endocrine ED, such as gonadal injury (trauma, tumor, surgery), hormone application, hyperprolactinemia, etc. (5). Metabolic etiology: diabetes is the most common metabolic disease leading to ED, the incidence of up to 30-70%. Abnormal lipid metabolism is also an important risk factor for ED. 3, the treatment of penile erectile dysfunction ED patients need to be planned, according to the course of systematic treatment; emphasis on comprehensive treatment and effective control of primary diseases that trigger ED, including improving endothelial function, nourishing neurovascular, correcting hypogonadism, etc.; psycho-psychological support to help patients’ overall recovery, enhance self-confidence, dispel concerns about erection, etc. will help restore erectile capacity. Oral medication is the preferred method for ED patients. Surgical penile prosthesis treatment is currently in the clinical trial stage, and can be tried when the above treatments are not effective.