Changes in the breasts and areolas are influenced by the hormone levels in the body. As puberty begins to develop, the areolas gradually become more pronounced and larger, and during the period after pregnancy to breastfeeding, the areolas will increase significantly. After breastfeeding, the areola will gradually return to normal. The breasts and areolas on both sides are not completely symmetrical, and there are no obvious symptoms of discomfort, but a slight difference in size is not a big problem, so there is no need to worry too much. If a lump is palpable under the areola, or if there are symptoms of nipple overflow, accompanied by changes in the areola, you need to go to a regular hospital for a detailed examination to rule out the enlargement of the areola caused by disease. Pay attention to good local cleanliness and hygiene, wash frequently with warm water, pay attention to good habits of life and rest, avoid spicy and stimulating food, do not stress too much, breast and areola size is different, no discomfort symptoms, do not worry too much.