Male urine odor is mainly two categories of reasons, can be summarized as physiological reasons, mostly due to bad habits; and pathological reasons, that is, disease factors caused by the need for timely symptomatic treatment to improve symptoms. First, physiological factors: mostly due to poor dietary habits, if you love to eat meat in daily life, coupled with drinking less water, the human body at this time to eat a lot of animal protein, after the body’s digestion and absorption, it is easy to form a lot of ammonia-containing substances in the urine, urine is easy to odor. Usually, it is recommended to change dietary habits, eat less meat, eat more fresh vegetables, fruits, urine odor phenomenon, will change. Second, pathological factors: 1, prostatic hyperplasia: many older men may suffer from prostatic hyperplasia, the amount of residual urine in the bladder is relatively large, easy to infection, so that the urine stinks; 2, gonorrhea: some young patients may have a chaotic sex life, due to unclean sexual contact and infection with gonococcus bacteria, resulting in gonorrhea, which leads to smelly urine; 3, nongonococcal urethritis: if there are Multiple sexual partners or a history of sexually transmitted diseases, due to mycoplasma, chlamydia infection and non-gonococcal urethritis, usually in the urethral orifice to accumulate a large amount of secretions, which leads to urine odor; 4, glansitis: some men have a long foreskin, circumcision, between the foreskin and glans is easy to accumulate a large amount of circumcised dirt, which may also be present in the presence of coliform hepatobacteria, Staphylococcus aureus, Staphylococcus aureus, and so on. and so on. On the one hand, it is easy to cause the odor of the foreskin and glans, and on the other hand, these bacteria are also easy to invade along the external urethral orifice, resulting in congestion and swelling of the mucous membrane of the urethra. Inflammation caused by the mucosal epithelium will be shed, coupled with metabolic waste and bacteria, easy to make the urine color cloudy, while the urine smell; 5, other: diabetes or liver failure patients may be due to the increase in the sugar content in the urine or ketone bodies, so that the urine smell, accompanied by increased frequency of urination, but generally not accompanied by urinary pain.