Male breast itching is considered to be related to local skin diseases, mammary gland diseases, external stimuli, bad habits and other reasons. 1. Local skin diseases: if the chronic mammary glands localized eczema, neurodermatitis and other skin diseases can cause mammary gland itching, often accompanied by localized red rash, erythema and other manifestations. 2. Mammary gland diseases: mammary gland suffers from local inflammation, nipple eczema cancer and other diseases, due to the stimulation of the lesion tissue on the skin, can cause mammary gland itching symptoms, often accompanied by localized redness, swelling, heat and pain, localized skin eczema-like changes and other manifestations. 3. External stimulation: if men are allergic to chemical fiber, silk fabrics, woolen fabrics and other clothing, it can also cause breast itching symptoms. 4. Bad habits: If men do not pay attention to hygiene, do not often change clothes, dirt in the mammary gland area and other reasons can also be localized mammary gland itching symptoms. At the same time, male breast itching may also be associated with puberty endocrine disorders caused by breast hyperplasia. Chronic breast itching needs to go to the hospital in time to check the specific cause and under the guidance of the doctor to avoid delaying the condition.