Men who do not lift and ejaculate prematurely usually indicate the presence of erectile dysfunction and premature ejaculation. Erectile dysfunction and premature ejaculation are two very common sexual dysfunctions in men. The common causes of erectile dysfunction in general are mainly psychological factors or organic causes. Psychological factors mainly include anxiety, depression, couple’s emotional disharmony, etc., is a common cause of male sexual dysfunction, penile inactivity. The lesions of the penis itself such as penile sclerosis, penile arteriovenous fistula, etc. The lesions can cause poor blood supply to the penile corpus cavernosum, thus causing difficulty in erection. Premature ejaculation generally refers to the short duration of male sexual life, usually less than 2 minutes, can be diagnosed as premature ejaculation, caused by sensitive glans and low excitation threshold of the dorsal nerve of the penis.