Some precocious puberty is due to the appearance of tumors in the body, which can secrete substances similar to sex hormones. Sometimes, when the tumor is still small, the amount of sex hormones it secretes is already large enough to cause sexual development, so children with precocious puberty must see a doctor in time for early diagnosis and treatment. 2. Children with idiopathic precocious puberty are affected by sex hormones in the body, and their physical growth is accelerated prematurely, epiphysis fusion is advanced, growth period is shortened, and growth stops at an early stage, resulting in the final adult height being lower than that of children of the same age who develop according to normal puberty. The premature development of sexual signs and reproductive organs can lead to psychological disorders in immature children and bring many inconveniences to their lives, and in serious cases, even affect their studies.