If you are in the physiological period or about to reach the physiological period, the secretion of hormones in the body may also lead to breast swelling and pain, and the edge of the breast hurts when pressed but there is no lump, which is a normal physiological phenomenon, if there are no other symptoms, there is generally no need for special treatment. Also consider if the local pressure pain is caused by too tight underwear, wear loose underwear, you can solve this problem. In addition, some diseases may also lead to this situation, if the pain at the edge of the breast when pressed continues to worsen, or accompanied by other uncomfortable symptoms, it is recommended to promptly seek medical advice to clarify the diagnosis: 1. Trauma: If there has been a history of trauma, the recent edge of the breast has been locally stimulated by external factors such as extrusion, impact, etc., may also lead to pain at the edge of the breast when pressed but no lumps, usually accompanied by local bruising and other conditions. If there is only pain when pressing, there is generally no need to worry too much, do a good job of local protection, pay attention to rest, and avoid secondary injury, which can usually be relieved on its own after a period of time. However, if the pain is severe, you need to seek medical attention to assess whether there is a serious contusion or fracture of soft tissue; 2, muscle strain: in daily life, due to improper exertion or long-term repetition of the same posture, resulting in local muscle strain, will also make the edge of the breast a painful press but no lumps, most of which can gradually recover through rest, if necessary, can go to a regular hospital through massage, heat therapy and other rehabilitation means to help relieve Symptoms; 3. Intercostal neuralgia: patients with intercostal neuralgia may think that the edge of the breast hurts when pressed, and generally do not press the local pain will also occur, which can radiate to the chest. Most of them are caused by thoracic spine lesions, inflammatory irritation or herpes zoster virus infection. If the pain is severe, clinical analgesic medication can be given to relieve symptoms, such as gabapentin, carbamazepine, etc., but also through physical means such as transcutaneous electrical stimulation to relieve pain; 4, mastocytosis: is a common gynecological disease, mainly due to endocrine dysfunction, the early stage may appear the edge of the breast pain when pressed but no lumps, with the development of the disease can appear breast swelling and pain, nodules or As the disease progresses, breast swelling and pain, nodules or lumps may appear. Only when the edge of the breast hurts when pressed, usually does not require clinical intervention, patients pay attention to rest, avoid excessive stress, regular review, so as not to aggravate the symptoms can be; 5, mastitis: mastitis can also lead to the phenomenon of the edge of the breast hurts when pressed but no lumps, early may not be easy to feel the lumps, usually the inflammatory phase will also be accompanied by local redness, swelling and heat pain. If an abscess has formed, local wet compresses or incision and drainage are required, and attention needs to be paid to local cleanliness.