The large black circle of breast refers to the enlargement of areola, if there is no obvious effect on the patient, it can be considered not to be dealt with, at the same time, the enlargement of areola may be related to the stimulation of hormone level, pregnancy, obesity and other conditions, according to the cause, the corresponding treatment, if because of the reasons of aesthetics and other reasons, it can be considered to carry out the surgery. 1. Stimulation of hormone level: For the enlarged areola caused by this condition, it can be improved by areola reduction surgery. During the procedure, a circular incision is made on the outside of the areola, a portion of the areola tissue is removed, and then cosmetic sutures are applied. 2. Pregnancy: After pregnancy, women will be affected by hormone levels, which will stimulate the development of breasts, and the process of breast development will also be accompanied by the phenomenon of areola enlargement. This situation does not require special treatment, women will gradually return to normal after the end of breastfeeding. 3. Obesity: If a woman is too obese, the volume of the breast, nipple and areola will be enlarged. In this case, you can actively control weight, increase exercise, through weight loss can reduce the volume of the whole breast, improve the phenomenon of large areola. Enlarged areolas can also be caused by hormonal abnormalities, which need to be treated. It is recommended that patients with enlarged areola should consult regular hospitals and be treated accordingly under the guidance of physicians.