Children’s diet is important for growth and development, and parents should establish a correct and scientific concept. Modern society is rapidly developing economically, children no longer do not have enough nutrition, but should pay attention to a reasonable mix of nutrition, that is, a reasonable mix of meat and vegetables, eat more vegetables and fruits of the season. For meat and vegetable food, not a certain kind of good can eat every day, not a certain kind of bad can not touch, it is best to change the type of food. The following are examples of certain types of food, try to avoid excessive intake: 1, artificial farming of animal foods The intake of excessive artificial farming of animal foods, not only easy to cause obesity in children, but also the intake of excessive additives in animal feed. 2, anti-seasonal vegetables and fruits winter strawberries, grapes, watermelon, tomatoes, etc., pears, apples, oranges and peaches that are listed early in late spring. Excessively bright fruit, there may be ripening agents to induce ripening, should be careful to avoid. 3, the great tonic food Cordyceps, ginseng, dried cinnamon, dried lychee, astragalus, sage, etc. Chinese medicine points out that the more tonic type of medicine, the easier it is to change the normal endocrine environment of the child, resulting in an imbalance in their physical and mental development. Other things such as: silkworm pupae, chicken embryo, placenta, royal jelly, colostrum, cockroach milk, pollen preparation nutritional supplements contain sex hormones, which are the cause of precocious puberty. 4, fried foods fried chicken, French fries and potato chips, its excessive heat and cooking oil, repeated use and oxidative degeneration, not only to obesity, can also trigger precocious puberty. 5, some children’s oral liquid Many of the market labeled “grow taller and stronger or increase appetite” supplements and oral liquid, may contain hormonal ingredients. There are also some health products, such as protein powder and so on, unless suffering from some special diseases, normal children do not need to use. Supplementary trace elements of drugs or health products can not be taken at will, trace elements are never more than good! 6, other than food, supplements, health products, there are some causes of precocious puberty: such as excessive light, especially at night for a long time light will affect the normal work of the endocrine organs in the brain pineal gland, may lead to the early secretion of gonadotropins, resulting in precocious puberty, so do not sleep with the lights on at night; certain cosmetics; bad information: such as certain pictures, text messages, language information, etc. The environmental pollution and the excessive use of chlorine-containing pesticides are also important reasons for the increase of precocious puberty; the misuse of contraceptive pills, which is a common “culprit” of precocious puberty in young children.