Itchy skin in the genital area of men may be caused by skin fungal infection, scabies, acute allergy, skin eczema and other reasons. 1. Skin fungal infection: when the skin in the genital area is infected by fungus, it will not only lead to local skin thickening and flaking changes, but also dermatophytosis, itchy skin and other symptoms. 2. Scabies: when in a dark and humid environment, it may lead to scabies or mite infection, which may lead to the local formation of scabies nodules and obvious itching symptoms. 3. Acute allergy: When allergy-prone individuals come into contact with allergens (e.g., pollen, fur, some underwear fiber components, etc.), it can lead to an acute allergic reaction, resulting in localized skin rashes with obvious itching symptoms. 4. skin eczema: when suffering from eczema, the skin will appear red, flaky and other changes in addition to the rash, skin itching and other symptoms. When men’s reproductive skin itching symptoms, it is recommended to pay attention to local skin hygiene, avoid scratching the itchy place, so as to avoid skin damage and infection. If the symptoms are serious, it is recommended to go to the hospital in time to clarify the cause of the disease, under the guidance of the doctor.