Gynecomastia, also known as male breast hyperplasia, is generally an abnormality of the male breast tissue, which appears to grow and develop. Generally there are a variety of diseases and medications that can affect gynecomastia. For breast pain as well as significant enlargement of the breast area, you need to go to the hospital for examination. Understand the hormone levels in the body and give the relative treatment. Gynecomastia is very common and is not a difficult condition. Symptoms of gynecomastia are caused by excessive production of estrogen in the body, or the development of the mammary gland body due to excessive intake of estrogen in vitro. It is important to exclude in vitro androgenic estrogen intake and avoid hormone-containing cosmetics as well as skin care products. Gynecomastia may also be caused by a decrease in the level of androgens in the body, resulting in a relative increase in the level of estrogen, usually pay attention to the regularity of life, eat a balanced diet, eat more vegetables and fruits, and strengthen the exercise to increase the body’s resistance.