Men’s itchy skin may be related to eczema, urticaria and ringworm and other diseases. 1. Eczema: the cause of eczema is not clear, with the body internal causes, external causes, psychosocial factors are related, such as genetic, environmental and mental. The patient’s skin will appear erythema, edema, corn-sized papules, itching and other symptoms. 2. Urticaria: Urticaria is mostly related to food allergies and infections. The patient will appear wind and angioedema, mostly accompanied by itching and other symptoms. 3. Tinea corporis: Tinea corporis is caused by dermatophyte infection, commonly Trichophyton rubrum. The patient’s skin will appear to papules, papules, blisters and well-defined red scaly patches and other symptoms, accompanied by varying degrees of itching. There are many reasons for men’s itchy skin, it is recommended that patients go to regular hospitals for examination, to clarify the cause of the disease, and actively cooperate with doctors to standardize the treatment.