1.What is precocious puberty in children? Precocious puberty refers to the appearance of secondary sexual characteristics such as breast development in girls before the age of 8 and menstruation before the age of 10; in boys, secondary sexual characteristics such as thickening of the voice, facial acne, throat nodes, beard and testicular and penile growth (large) appear before the age of 9. 2.What are the causes of precocious puberty? The causes of precocious puberty in children include certain diseases such as brain tumors, encephalitis, traumatic brain injury, hypothyroidism, ovarian and adrenal tumors, etc.; excessive exogenous sex hormones such as excessive consumption of food and nutrition containing hormonal additives, certain supplements, drugs, etc.; a small number of precocious puberty is related to genetic factors …… 3.Precocious puberty in children What is the harm to children? Precocious children, due to the early secretion of a large number of sex hormones, the child height accelerated growth, premature closure of epiphysis, shortening of the growth period, early growth stop, and lead to adult short stature, and the earlier the sexual development, the greater the impact on the final height. In addition, because the child’s sexual development is too early, and the child’s psychological age does not match, easy to lead to some psychological problems. 4.What should I do if I find that my child is precocious? If you find that your child has precocious puberty, delayed puberty and other sexual development problems, you should promptly take your child to a professional child sexual precocity clinic to find out the causes and make a clear diagnosis through comprehensive testing of the child with precocious puberty, and formulate corresponding treatment measures for the causes of precocious puberty, so that the child’s development can return to normal and your child can have a healthy and happy childhood.