The reason for the odor of the male genitalia is many, such as chronic prostatitis, or scrotal moisture and other problems, may cause the male genitalia odor. In addition, urinary tract infections, unclean genital area hygiene, unclean sexual life, the presence of gynecological inflammation in the partner, circumcision, etc. can lead to male genital odor. From the clinical point of view, the following are the main common ones: 1. Urethral infection with E. coli, Candida albicans, fungi, or other bacteria can cause odor. And along with the urethral orifice redness, mucosal ectopia, urinary urgency, urinary frequency, urinary pain, mental depression and difficulty in urination and other symptoms appear. Those who suffer from urethritis should pay attention to it because it not only brings harm to themselves, but also damages the health of their wives. This can lead to the formation of glans penis infection, such as E. coli, Candida albicans or other bacteria, which can cause the penis to smell bad. Various inflammations caused by circumcision can induce sexual dysfunction diseases such as premature ejaculation, which can cause infertility in serious cases, and can also lead to gynecological diseases in women through sexual life. 3, obesity or hot and humid environment caused by sweating, causing underwear and skin surface dampness, penis long-term in the case of damp and impermeable, surface metabolism accelerated, bacteria breeding accelerated will produce odor.