1, proper control of diet, to avoid excess nutrition. Especially avoid fatty foods, eat less sweets, but ensure the intake of protein and eat more vegetables and fruits. 2.Pack up your medicine cabinet and cosmetics Do not expose children to cosmetics that contain sex hormones. 3, do not eat anti-seasonal things Anti-seasonal vegetables some of which may be ripened by hormones, which children eat for a long time, may lead to precocious sexual maturity. 4, do not take supplements indiscriminately Commonly used supplements, such as American ginseng and propolis, are rich in hormones, and popular nutritional supplements such as children’s vitamins on the market also contain substances related to inducing precocious puberty in children. The actual fact is that most children recover quickly from illnesses, unless they are chronically ill, and basically do not need to take supplements. 5, eat less chicken, duck neck Chicken and duck neck has lymph, these lymph contains hormones. 6, sleep at night, please turn off the lights High-quality sleep can ensure that the pituitary gland secretes an adequate amount of growth hormone at night. Strong light will affect sleep, thus leading to hormone secretion disorder, which may cause increased secretion of gonadal hormones, thus leading to premature sexual maturity. 7, increase physical activity obesity is also an important factor leading to children’s sexual development, especially to exercise the lower limbs, should ensure that more than 30 minutes of exercise time every day, exercise program can choose to run, climb the stairs and jump rope. 8, less children exposed to erotic visual stimulation Now many romance plays, cartoons have adult content, it is recommended that children avoid watching too many love films or novels, otherwise it can contribute to early sexual development of children. 9, dynamic monitoring of the child’s growth rate Pay attention to (boys) external genitalia, especially the size of the testicles, (girls) whether the breasts have developed, whether there are stains or even blood stains on the underwear left by the secretions of the reproductive tract, and other phenomena.