Breast development is closely related to ethnicity, family genetics, geography, and lifestyle habits. Women who are well nourished, physically active, and prefer to exercise have better breast development than women who are weak, depressed, and mentally active. The causes: congenital genetic factors are the main cause, acquired breast dysplasia causes: such as malnutrition, anorexia, vegetarianism, paranoia, wasting or excessive weight loss, adolescent development introverted personality, bundle chest, mental depression, bad exercise, etc. can lead to breast dysplasia. Mammary dysplasia treatment: breast dysplasia makes many women greatly distressed. But there is no best breast enhancement strategy at home and abroad, artificial breast augmentation still need to be cautious. According to the results of the study, to make the developing breasts plump up, you need to follow the following four principles: 1, eat more meat, avoid vegetarianism, partial diet, to ensure the intake of animal protein, animal fat. 2, more exercise, especially upper body exercises and breast expansion exercises. 3, breast massage. 4, internal and external use of natural herbs, or eat food beneficial to breast enlargement, for example, walnuts, papaya, kudzu powder, milk, soy milk, red dates, peanuts, cashew nuts, etc.. It is best not to use hormonal drugs, although there are many kinds of breast enhancement products on the market, saying that they do not contain estrogenic substances, but it is better to use them carefully.