There are many reasons for breast heating, specific reasons such as the following analysis: 1, excessive friction of the breasts, such as strenuous exercise or hard rubbing baths lead to breast heating. To pay attention to rest, wear loose corsets, as well as change the way rubbing can. 2, breast skin allergies, breast contact with poor quality corsets or creams, resulting in breast itching, pain and heat. You need to find out the allergic substance, then stay away from the allergic substance and use anti-allergy medication. 3, endocrine disorders, before and during the menstrual period affected by hormones, the breasts will have swelling, pain, hardness and heat, and the symptoms will disappear at the end of the menstrual period. If the pain is unbearable, you can take Chinese medicine to regulate endocrine. 4. Breast cancer, when the nerves of breast cancer patients are stimulated, they will have symptoms of abnormal sensation, such as breast pain and fever, and need to be hospitalized immediately.