Male breast protrusion, consider obesity, male breast hyperplasia, breast disease caused. The first consideration is due to obesity, because the breast area of the subcutaneous fat layer is thicker, so it will lead to breast protruding obvious, mainly related to bad life and dietary habits, can be in the fat loss after slimming gradually shrink. Secondly, if the boys use hormone drugs or eat a lot of hormone-containing food, causing endocrine disorders, may also lead to breast development, male breast hyperplasia occurs, the symptoms of prominent breasts. In addition, male breast protrusion may also be caused by diseases, such as breast hyperplasia, breast cancer, etc., usually accompanied by pain in the breast area, fever and other manifestations. If it is caused by pathologic factors, it should be actively treated in accordance with the severity of the disease. If necessary, surgery can be used to remove the mammary gland.