The feeling of breasts like milk is related to impending menstruation, breast hyperplasia, mastitis and breast cancer. 1. The onset of menstruation: For some women who are about to have their menstruation, breast swelling and pain may occur due to changes in hormone levels in the body, which may manifest the breast feeling like coming milk. 2. Breast Hyperplasia: The cause of the disease is not yet clear, but it may be related to the imbalance of the ratio of estrogen and progesterone or the elevation of prolactin. Typical symptoms of patients include breast pain, breast nodules, nipple discharge, etc., which can also be manifested as a feeling of breasts like coming milk. 3. Mastitis: The cause of non-lactating mastitis is not clear, but it is considered to be related to bacterial infection and breast trauma. The main cause of breastfeeding mastitis is the accumulation of milk and the secondary bacterial infection, the patient is mainly manifested as breast redness, swelling, heat, pain, breast lumps, etc., and part of the patient may have a breast feeling like coming to the breast. 4. Breast cancer: belongs to malignant tumors, which can also cause some patients to have breast feeling like coming milk. The cause of breast cancer is not clear, but may be related to heredity, obesity, etc. The main symptoms of patients are breast lumps, nipple discharge, axillary lymph node enlargement. It is recommended that people who feel like breast milk should consult a regular hospital for examination. If it is clear that the disease is caused by the disease, it is necessary to comply with the doctor’s instructions and use medication to alleviate the uncomfortable symptoms.