The early sexual maturity of children refers to the premature appearance of secondary sexual characteristics before puberty, that is, disproportionate to age, and promote physical development, it is generally believed that girls before the age of 8 years old breast development, before the age of 10 years old menstruation; boys in the age of 9 years old before the appearance of secondary sexual characteristics, and accompanied by the rapid development of physical, called precocious sexual maturity. 1, do not blindly tonic, due to the continuous improvement of people’s living standards, most parents spoil their only child and ignorance of sexual knowledge, as well as by a variety of health care tonic false advertising, etc., parents who love their children often spare no expense to buy such as royal jelly, bee milk, pollen preparations, cordyceps, ginseng, dried cinnamon, dried lychee, astragalus, sage, western ginseng oral liquid and other nutritional tonic to children The company’s main goal is to increase the number of children in the market and to make them more intelligent. However, some young boys and girls who take nutritional supplements for a long time actually show various manifestations of premature sexual maturity. The blind supplementation of young children will hinder the balance of the function of the organs in the child’s organism and promote abnormal body development. 2, avoid long-term consumption of hormone-containing poultry meat products, reared fish and shrimp, anti-seasonal fruits, colostrum, drinks and foreign fast food, etc. 3.In the past two years, there are also children with precocious puberty caused by the use of adult cosmetics, which accounts for a larger proportion of girls among children with precocious puberty. At present, many senior cosmetics have estrogen added to them, and mothers are unaware of the situation and allow their children to use their own cosmetics frequently, which leads to precocious puberty. 4. Children are required to be trained not to be partial or picky eaters, to maintain balanced nutrition and proper exercise to ensure normal growth and development.