1, artificially farmed animal food The intake of excessive animal food, not only easy to cause obesity in children, but also the intake of excessive additives in animal feed. Now the market is sold, the vast majority of feed mixed with maturing agents fed, including broiler, pigs, cattle, lamb, and farmed fish and shrimp. Children with precocious puberty can eat some sea fish and shrimp and a moderate amount of beef. Chen Peiwei, Department of Pediatrics, Enshu Central Hospital 2, anti-seasonal vegetables and fruits Strawberries, grapes, watermelon, tomatoes, etc. in winter, pears, apples, oranges and peaches that are listed early in late spring. Fruits that are too brightly colored, often induced by ripening agents, should also be avoided with care. Fresh lychee and other foods, because they contain a certain amount of human estrogen-like substances, excessive consumption may also cause precocious puberty. 3, can be used in the medicine of the great tonic food Cordyceps, ginseng, dried cinnamon, dried lychee, astragalus, sage, etc.. Chinese medicine points out that the more tonic type of medicinal food, the easier it is to change the normal endocrine environment of the child, resulting in an imbalance in physical and mental development. Other things like: silkworm pupae, chicken embryos, placenta, royal jelly, colostrum, soy milk, pollen preparation nutritional supplements often contain high levels of sex hormones, which also induce precocious puberty common causes. 4, fried foods fried chicken, French fries and potato chips, its excessive heat and repeated use of cooking oil and oxidative degeneration, is also a cause of “precocious puberty”, so Kentucky Fried Chicken, McDonald’s is not a good place to go. The survey shows that children who often eat fried puffed food, “precocious puberty” is 2.5 times the likelihood of ordinary children. 5, some children’s oral liquid Many of the supplements and oral liquid on the market labeled “grow taller and stronger or increase appetite” contain a significant portion of sex hormone ingredients. There are also some health products, protein powder and so on, unless suffering from some special diseases, normal children do not need to use. In addition, drugs or supplements with trace elements cannot exclude the possibility of precocious puberty. Trace elements are never more than necessary! 6.Other than food, supplements and health care products, there are some possible causes of precocious puberty, such as: excessive light, especially prolonged light at night will affect the normal work of the pineal gland, an endocrine organ in the brain, which may lead to early secretion of gonadotropins, thus leading to precocious puberty; extensive use of cosmetics; proliferation of bad information (including text information, media information, network information, cell phone The use of cosmetics; the proliferation of bad information (including textual information, media information, Internet information, mobile phone information, language information, etc.); environmental pollution; and the excessive use of chlorine-containing pesticides are also important causes of increased precocious puberty. In addition, it is important to avoid exposing children to birth control pills, which are even more dangerous for precocious puberty.