There is a difference between scrotal fungal infection and eczema, which mainly lies in the different causes, different examinations, different symptoms and different treatments. 1. Different causes: scrotal fungal infection is mainly caused by fungal infection, while eczema occurs mostly due to contact with allergens or local irritants. 2. Different examination: For scrotal fungal infection, it can be examined by skin smear microscopy, which can clarify whether there is fungal infection phenomenon. For eczema, it is considered to be related to contact with substances or impaired skin barrier, if necessary, need to cooperate with the doctor for allergen screening. 3. Symptoms are different: for patients with scrotal fungal infections, the manifestation of a clear erythema, the edge of the red papules can be seen, can be accompanied by localized dry moulting, while the eczema rash is diverse, there can be erythema, papules, pimples, mossy lesions, etc., both accompanied by itchy symptoms. 4. Treatment is different: for scrotal fungal infections, you can cooperate with the doctor to choose ketoconazole, econazole and other antifungal drug treatment. For eczema disease, you can choose glycerine lotion coated with itching treatment, if necessary, choose to apply hydrocortisone and other drugs treatment. Patients in the case of self-identification can not be identified, should go to the hospital dermatology department to consult a professional physician to diagnose and deal with.