Patients in their 40s with enlarged breasts are often due to the following reasons: First, breast hyperplasia: middle-aged women if the body’s estrogen and progesterone levels are abnormal, can lead to breast hyperplasia, and severe breast hyperplasia will be manifested in the breast enlargement, you can go to the hospital to check the ultrasound of the mammary glands to make it clear. If the disease, do not worry too much, usually adjust the habits can be, for example, try not to drink alcohol, do not eat greasy food, etc., part of the patient can eat breast fetish elimination or free pills, etc. for treatment. Second, the breast swelling: such as breast fibroid, or even breast cancer, so you need to further improve the relevant examination, such as breast ultrasound, breast molybdenum target or breast MRI. When obvious lumps are found, puncture biopsy or excision biopsy of the lumps can be performed to clarify the nature, and fresh fruits and vegetables can be consumed appropriately during the treatment period.