生命早期的营养状况与成年人慢性病的发生发展密切相关,提高少年儿童营养水平,不仅促进其正常生长发育,而且对今后预防慢性病具有重要意义[1～3]。大量调查研究表明,随着人们生活水平不断提高,少年儿童营养失衡问题越来越严重,超重和肥胖率逐年增加,与此同时部分少年儿童还存在 The nutritional status of early life is closely related to the occurrence and development of chronic diseases in adults. Improving nutrition of children and adolescents not only promotes their normal growth and development, but also has important significance for the prevention of chronic diseases in the future [1-3]. A large number of investigations and studies show that with the continuous improvement of people’s living standards, children’s nutritional imbalances have become more and more serious, and overweight and obesity rates have been increasing year by year. At the same time, some children and adolescents still exist