Precocious puberty in children generally refers to precocious puberty in children, which is a manifestation of developmental abnormality, usually refers to the premature presentation of the second characteristics of girls or boys, mainly central precocious puberty, peripheral precocious puberty and so on. 1. Central precocious puberty: it is also called true precocious puberty, which is consistent with the normal pubertal development sequence, including the initiation of the function of hypothalamic-pituitary-gonadal axis, the maturation of programmed process, and the development of ovaries and testes. 2. Peripheral precocious puberty: also known as pseudo precocious puberty, there is the development of secondary sexual characteristics, elevated levels of sex hormones, but the hypothalamic-pituitary-gonadal axis is not mature. If there are symptoms of precocious puberty in children, such as the development of secondary sexual characteristics before the age of eight for girls or before the age of nine for boys, they should go to the endocrinology department of the hospital in time to take reasonable ways to solve the problem, so as to avoid the adverse consequences.