Large male breasts can be seen in two cases: First, when boys are obese a large amount of fatty tissue gathered in the chest under the skin, causing an increase in the appearance of the breast, only need to adjust the diet and strengthen exercise can be, no special treatment. Secondly, gynecomastia, mostly associated with abnormally high estrogen levels or a lower ratio of androgens to estrogen during puberty, is clinically manifested by a palpable hyperplastic mass in the areola area, accompanied by enlarged nipples and areola area, which can be painful and uncomfortable. When the symptoms are obvious, the anti-estrogen drug triamcinolone may be given as symptomatic treatment, and if necessary, surgery may be decided after a thorough evaluation by a specialist. In daily life, you should avoid taking drugs or foods that may cause estrogen elevation, focus on light vitamin-rich foods, avoid eating too much high-fat and fried foods, and be moderately active to strengthen your immune system.