Scrotal itching and scratching the skin may be physiological reasons, but also may be caused by scrotal eczema, scrotal inflammation, scabies and so on. 1. Physiological reasons: If you usually do not pay attention to the cleanliness and hygiene of the scrotum area, resulting in localized scrotal moisture and sweating. After being stimulated by sweat or friction of underwear, it is easy to appear itchy symptoms, and it is easy to break the skin after scratching. 2. Scrotal eczema: the itching caused by scrotal eczema is generally more intense, patients can not stand scratching will also break the skin. Usually there are red or white bumps on the scrotum. 3. Scrotal inflammation: patients with scrotal inflammation will also have itchy symptoms, and often accompanied by erythema, dryness, flaking, pimples and scabs and other symptoms. 4. Scabies: Scabies is a skin infection, often found in the genitals, groin, umbilicus and other skin weaknesses, patients can have a needle tip size lesions, and often accompanied by intense itching. In addition to the above factors, there are other diseases that can cause scrotal itching, if the patient’s symptoms continue to appear and can not be relieved, please go to the hospital for examination.