The main symptoms of stretched breast pain include breast swelling, pain, localized hardness and so on. Generally in the case of impact, tearing and other traumatic injuries, the phenomenon of stretched breasts can occur, at this time need to take into account the specific circumstances, under the guidance of the doctor to carry out the relevant treatment. If the mammary gland is stretched due to external injury, it will lead to edema of the soft tissues under the mammary gland, resulting in swelling and other uncomfortable sensations. In addition, traumatic injury may cause rupture of blood vessels under the local soft tissues or skin, which may lead to oozing of fluid from the interstitial space of the tissues, thus stimulating the local nerves and causing pain. If the breast is stretched after a localized injury, it is recommended to apply cold compresses within 24 hours to reduce oozing, and after 24 hours, hot compresses can be massaged with towels to promote the absorption of swelling. It is recommended that the patient go to the regular hospital in time, and follow the doctor’s instructions to receive treatment.