Normal breasts have a uniform teardrop shape, symmetrical on both sides, soft and elastic in texture, there may be differences in specific appearance, but basically smooth and proportionate. The sagging and flaccidity of female breasts may be a normal phenomenon of fat depletion or skin laxity. If there are localized bumps and small lumps, they may be breast nodules or mastitis. 1. Breast nodule: it refers to a solid displacement of the breast, which is divided into benign and malignant, and may have symptoms such as localized pain, breast swelling, localized redness and swelling, etc. The benign ones need to be regularly reviewed or surgically removed according to the condition, while the malignant ones need to receive comprehensive treatment mainly based on surgical treatment. 2. Mastitis: divided into breastfeeding and non-breastfeeding, may lead to lumps in the chest, the milk ducts are not clear, you can massage, physical therapy and other physical therapy, serious to go to the hospital for examination, under the guidance of the doctor to take antibiotics, such as cefazolin, cephalosporin and other drugs. It is recommended that women have regular medical checkups, usually do a good job of breast self-examination, and if there is any discomfort, consult a doctor in a timely manner.