1, a child can not grow taller Due to the rapid bone development, the growth cycle of children with precocious puberty will be significantly shortened, without enough time to develop, which eventually makes their adult height shorter than the average person, and the final height of untreated patients may be lower than the genetic height. Some of the affected children’s height is lower than 2SD of the normal height of children of the same age. 2. Early sexual behavior The psychological development of children with precocious puberty is extremely mismatched with their physical development, which, together with the patients’ young physiological age, shallow social experience and poor self-control, can easily lead to their early sexual behavior, thus triggering the risk of pregnancy and transmission of sexual diseases. 3, character suppression Premature sexual development may be because of their physical shape, appearance and the surrounding small partners, prematurely carry a heavy burden of thought, resulting in low self-esteem, fear and anxiety, which will have a long-term adverse impact on future mental health. 4, tumor signs A small number of children with precocious puberty may be caused by intracranial tumor compression, which will endanger patients’ lives if not handled in time. 5, buried social hidden dangers Precocious children’s bodies develop quickly, and they are more eager to imitate some things in society, such as sex and violence. They are also more prone to “dangers” than ordinary children, such as early love, and even social problems such as abortion, sex crimes and suicide. The right care to prevent precocious puberty 1, proper control of diet Avoid excess nutrition, especially avoid fatty foods, eat less sweets, but to ensure the intake of protein, and should eat more vegetables and fruits. It should be noted that children should avoid eating nutritional and health products that may contain sex hormones, and should not use skin care products that contain sex hormones. 2.Increase physical activity Especially to strengthen the exercise of the lower limbs, should ensure more than 30 minutes of exercise time every day, exercise items can choose running, climbing stairs and jumping rope. 3.Ensure sufficient sleep Every night should have eight or nine hours of high quality sleep to ensure that the pituitary gland can secrete sufficient amount of growth hormone at night, because growth hormone has an important role in promoting rapid growth of height. 4, create a natural environment In terms of living environment, try to create a back to nature environment for children, control the number of plastic products. Now the international trend of natural toys, such as building blocks without paint, etc.. In addition, do not let children too much exposure to visual stimuli incompatible with the age, so that their nature to play, and gradually realize the return of “natural”.