A small amount of glandular structure in the bilateral breast area of children may be normal breast development in children, or precocious puberty. 1. Normal breast development: the breast is composed of muscle, connective tissue, subcutaneous fat and lobular glandular tissue, the breast is a kind of complex tubular vesicular glands, vesicular ducts, terminal ducts together constitute the mammary lobules, the mammary lobules constitute the mammary gland lobes, the mammary gland lobes are the substance of the mammary gland. Therefore, normal children’s breasts will also have glands, and children who are excluded from precocious puberty by perfect examination of sex hormones and bone age determination do not need to worry too much. 2. Precocious puberty: refers to girls 8 years old, boys 9 years old before the excessive secretion of sex hormones present secondary sexual characteristics, can be divided into central, peripheral and partial precocious puberty, according to the type and cause of the choice of treatment options, you can follow the doctor’s instructions to take gonadotropin-releasing hormone analogues, such as treprostinil, leuprolide and so on, so that the child’s body to reduce the secretion of sex hormones, so as to control the development of sexuality. A few glandular structures can be seen in the bilateral breast area may also be due to other causes, such as breast hyperplasia, mastitis, breast cancer, etc. Please consult the hospital in time to avoid delaying the condition.