Breast softness but edge pain during breastfeeding may be caused by accumulation of milk, acute mastitis during breastfeeding, breast abscess and other factors, it is recommended to go to the hospital for a clear examination. The following are some of the reasons why you may not be able to find the right treatment for your condition 1. Accumulation of breast milk: it may be due to the blockage of the milk ducts, which leads to the local milk can not be discharged smoothly, the symptoms of accumulation of breast milk, thus causing chest soft but edge pain. You can use warm water and hot towels for localized hot compresses, and with appropriate massage to promote the discharge of blocked milk. 2. Breastfeeding acute mastitis: generally also known as mastitis, mainly due to inexperience caused by the counting and long time not dealt with, thus causing pain caused by cracked skin. You can get the record emptied by getting a professional milk opener. The most important thing is to make sure that the milk ducts are clear. 3. Breast abscess: It is a manifestation in the development of mastitis. When necrotic tissue gathers around the mammary gland, it causes pus, which leads to pain. When the symptoms are mild, it can be drained by puncture using an indwelling needle. When symptoms are severe, surgical incision and drainage can be performed. Drainage of pus is performed. If the patient appears to have red and swollen skin, pressure pain obvious, it is recommended to go to the hospital to do color breast ultrasound examination, to further clarify the cause of this symptom.