There are many reasons for breast herpes, and the treatment is different, as follows: 1, herpes simplex virus infection, there will be breast herpes, itchy skin, vesicles and redness, you need to wash with warm salt water, while antiviral treatment such as antiviral oral solution. 2, breast skin allergy, breast contact with poor quality underwear and body lotion breast itching, pain and herpes, you need to replace loose, good quality underwear and body lotion. Breast eczema is caused by the internal and external environment, resulting in pain, itching, erosion and herpes on the breast skin, which requires clean breasts and glucocorticoid ointment. 4. Breast cancer is caused by cancer cells invading the skin, resulting in herpes, itching and unevenness on the skin surface, which requires surgery to remove the breast.