Erectile dysfunction (ED), commonly known as impotence. It is the persistent inability of the penis to achieve and maintain an erection sufficient for satisfactory sexual intercourse. It is generally divided into: functional ED, organic ED. organic ED is further divided into: neurological ED, vascular ED, endocrine ED, etc. In addition, there are more special no sex partner ED, newlywed ED. The principle of treatment of organic ED is: active treatment of the original disease, with drug therapy. The treatment principle of functional ED is: psychosexual treatment, with drug therapy. Drug therapy has a better effect on ED, the current international treatment of ED first-line drugs for PDE5 inhibitors (a total of three: tadalafil, sildenafil, vardenafil), but the national understanding of PDE5 inhibitors have some misconceptions, for example, sildenafil is often called Viagra, many people think it is an aphrodisiac, eaten harmful to the body, or think that after eating will have dependence or addiction, or that the efficacy will gradually decrease after taking it. In fact, PDE5 inhibitors are currently the world’s most used and most effective drugs for the treatment of ED, in addition to suffering from diseases related to contraindications, even if they are taken for a long time, many studies have proven its effectiveness and safety is very reliable. Chinese herbal medicine also has a better effect on ED, therefore, in the active treatment of the original disease, based on psychosexual treatment, with the use of PDE5 inhibitors and Chinese herbal medicine, is a very good way to treat ED.