Breasts may be too obese, mastitis, macromastia and other conditions related to the cause of the condition, should be adjusted according to the cause of the commonly used methods of conditioning diet and life conditioning, drug conditioning (amoxicillin, etc.) and surgical treatment. 1. Too much obesity: If the patient is obese, the breasts have more fat content, which may lead to larger breasts. It is necessary to pay attention to diet control, avoid eating food with too much fat content, and increase physical exercise, weight loss, breasts will be reduced accordingly. 2. Mastitis: If the patient has mastitis, due to the stimulation of inflammation, it will lead to breast enlargement, redness, swelling, heat and pain, etc. If the patient has mastitis, it will lead to breast enlargement, redness, swelling, heat and pain. If breastfeeding leads to milk stagnation, you need to squeeze out all the milk, if there is inflammation and infection, you need to take oral amoxicillin, cefixime and other medications, and in serious cases, you need to do pus drainage surgery. 3. Macromastia: generally associated with abnormal secretion of gonadal hormones. It can be treated with drugs such as tamoxifen, propecia and megestrol. If it is an adult woman, breast shape can be improved by breast liposuction and breast reduction plastic surgery. It is recommended that patients with large breasts should consult a doctor in a timely manner to clarify the cause of the problem and follow the doctor’s instructions strictly.