Eczema in men’s genital area, which is usually caused by allergies, irritation, and genetics, is not a contagious disease, so it is not contagious. Eczema in men’s genital area, also called genital eczema, is a type of eczema. The specific cause of the disease is not yet completely clear, and it is considered to be related to the joint action of a variety of internal and external factors, such as allergy, irritation, heredity and other factors, which may lead to the appearance of erythema and pimples accompanied by itching on the vulva and scrotum area, and in severe cases, it may cause ulceration, vesiculation, oozing, crusting and other symptoms. Localized moist and sweaty, the stimulation of sweat may lead to localized eczema. Stimulation by allergens, resulting in localized eczema. Eczema is not a contagious disease and will not be transmitted to others. It is recommended to give the appropriate medication under the guidance of a doctor, such as hydrocortisone butyrate cream, mometasone furoate cream topical application, if the itching is obvious can be given to cetirizine hydrochloride, loratadine and other antihistamine drugs treatment. Although genital eczema is not contagious, eczema may recur when stimulated by allergens again. It is recommended to pay attention to personal hygiene, keep the local dry and clean, and if necessary, go to the dermatology department of the hospital for treatment under the guidance of the doctor.