Itchy scrotum in men may be caused by scrotal eczema, urethritis, and glans penis. Scrotal eczema is mainly due to men’s underwear material is not breathable, do not pay attention to personal hygiene, resulting in fungal infections, allergies, chronic digestive system diseases, belong to a kind of skin disease, the initial symptoms are limited to the skin at the scrotum, later may extend to the anal vicinity, penis, patients will feel the onset of the itchy skin areas unbearable. The male urethritis circumcision glansitis can also cause scrotal itching symptoms, urethritis is due to men usually do not pay attention to personal hygiene, resulting in the urethral opening by germs breeding, infection, germs will be through the urethral opening upstream infection to the urethra to cause inflammation, part of the urethra from will pass through the penis, the inflammation in the urethra will stimulate the penis inside, so that patients appear urination stinging, penile itching and other symptoms.