Children with long beards may be caused by endocrine abnormalities, precocious puberty and so on. Under normal circumstances, children in the age of 13 to 14 years old will enter puberty, at this time the body’s androgen secretion is more vigorous, easy to grow a beard phenomenon, especially boys are more common, but if the premature growth of the beard, it may be due to endocrine metabolic diseases caused by endocrine anomalies, which will lead to the child’s endocrine abnormalities, which leads to the growth of a beard. In addition, it may also be caused by the child’s precocious puberty, for example, the child usually eat too much fried meat and other hormone-containing foods, easy to lead to precocious puberty. If a child grows a beard too early, you should bring your child to the hospital in time to find out the cause of the problem.