Usually the development of men’s chest is mainly affected by congenital genetics, acquired sex hormone secretion and other factors. If in the chest development period, chest large may be related to a transient imbalance of sex hormone secretion, through the adjustment of life and rest, there is the possibility of becoming smaller. However, if the chest has been well developed, obese men can choose to exercise and adjust their diet to improve. If the chest is large due to congenital breast development abnormalities, breast enlargement, breast hypertrophy and other diseases, the relevant treatment can be carried out under the guidance of a doctor to make the chest smaller, there are common dietary adjustment, exercise, drug therapy, surgery and other methods. 1, diet adjustment: obese men can choose to avoid eating high-calorie, high-fat food, such as fried chicken, burgers, potato chips, etc., pay attention to a small number of meals, avoid Overeating. And should try to avoid eating estrogenic food, a large intake may cause endocrine disorders in the body, so that the symptoms of large chest aggravated; 2, sports shaping: can be through chest expansion exercises, push-ups, swimming and other sports to improve the fat accumulation caused by large chest, but also to strengthen the chest muscles and the strength of the surrounding joints and ligaments, so as to play the effect of shaping, so that the chest in the visual smaller; 3, drug Treatment: Some men with large breasts due to the imbalance between androgens and estrogens in the body can choose drug treatment after timely medical consultation, and testosterone propionate is commonly used clinically; 4, surgery: If the above treatment measures are ineffective, and abnormalities such as pain, itching and skin changes occur at the same time as large breasts, or men with high pursuit of aesthetics, surgery can be considered. Surgical methods such as fat aspiration and reduction plastic surgery are commonly used clinically. In addition, endocrine diseases such as testicular disease, thyroid disease, adrenal disease, or pathological causes such as liver disease or kidney disease cannot be excluded. Since there are more diseases, treatment of the primary cause is needed to improve the symptoms of large breasts after the cause is clarified.