Children should avoid excessive intake of high-protein, high-fat, and high-calorie foods, environmentally contaminated vegetables, fruits, and meats that may contain high doses of estrogen-like hormones. Numerous studies have found that although the standard of living has improved and most children’s nutritional needs can be met, it is worrying that the phenomenon of nutritional imbalance is becoming more and more serious, which can also lead to children’s poor nutritional status and thinness, and many parents often mistakenly think that “nutritional deficiencies need to be supplemented”, such as various kinds of supplements. Many parents often mistakenly believe that “nutritional deficiencies require supplements”, such as various supplements, allowing children to eat products containing phytoestrogens, such as honey, bee milk, etc., ripe fruits and meat, and even animal organs such as bullwhip. In fact, parents should now pay more attention to a reasonable and balanced nutritional structure. Studies have found that the incidence of precocious puberty is higher in urban children than in rural children, which is related to the fact that urban children eat too well. Children should avoid excessive intake of high-protein, high-fat, high-calorie foods, and use the “food pyramid” as a principle for a reasonable mix. A special reminder: environmentally contaminated vegetables, fruits and meat may contain high doses of estrogen-like hormones, so parents should be aware of this.