Breast pain when touched, but not when not touched, that is, breast pain to touch, mostly seen in female patients, usually adolescence, physiology, pregnancy, menopause and other special periods can lead to increased secretion of estrogen and abnormal endocrine levels in women’s bodies, which may cause symptoms of pain when touching the breast, and may also be accompanied by a feeling of swelling and pain, can be done without intervention, usually at the end of the special period, the symptoms can The symptoms usually disappear at the end of the special period. If you are not in the above-mentioned special period, but still have regular touching pain, you should consider the possible existence of diseases and need to consult a doctor for differential diagnosis: 1. mastitis: breastfeeding patients are mostly due to milk stagnation, secondary to bacterial infection, while non-lactating patients may have the disease related to milk duct obstruction, infection, smoking, breast trauma and other factors. The two have different causes but the same symptoms, both can lead to pain in the patient’s breast, or do not touch the pain, but a touch of pain performance, while patients may also be accompanied by redness, swelling, fever, nipple overflow and other symptoms; 2, breast hyperplasia: breast hyperplasia early hyperplasia lumps or nodules are small, will not appear pain, only after pressure on the lump will appear pain, making patients appear a touch of pain, do not touch not The patient will experience pain when touched but not when not touched. This disease is usually caused by the long-term imbalance of estrogen and progesterone ratio, endocrine disorders, elevated prolactin or abnormalities in breast sex hormone receptors, etc.; 3. Breast fibroids: caused by abnormal sensitivity of breast fibroblasts to estrogen, usually no obvious conscious symptoms except swelling. When the swelling reaches a certain level of pressure on nerves or other tissues, it may cause the patient to experience pain, or pain when touched, but no pain when not touched. The specific type of disease requires patients to go to the hospital for breast appearance examination, routine blood test, endocrine examination and ultrasound examination before diagnosis can be confirmed. After diagnosis, active treatment should be given to prevent the possibility of deterioration of some nodules and lumps.