Women have no preventive effect on breast enlargement by massaging their breasts, they can prevent breast enlargement through healthy living habits, correct bra wearing style and so on. Breast enlargement is mainly caused by endocrine hormone metabolism disorders, long-term smoking and alcoholism may also lead to breast enlargement, the symptoms of breast enlargement patients mainly include breast swelling and pain, nipple overflow, enlarged lymph nodes and so on. It is recommended that patients with breast enlargement go to the hospital in time for targeted treatment and diagnosis. 1. Healthy habits: quit smoking as early as possible in life, and try not to drink alcohol, if you really can not help but drink, the daily consumption of liquor shall not exceed 50 ml, beer shall not exceed 300 ml. 2. The correct way to wear a bra: women should choose to wear a bra of the right size and soft texture. In daily life, pay attention to regular medical checkups, do not lose your temper, and keep a positive and optimistic mindset.