合理的膳食、均衡的营养是保证儿童身体和智力发育的物质基础，也是预防疾病提高健康水平的重要条件。为了解盐道街小学学生的膳食状况，为其营养指导提供依据，特对该校四年级po名学生进行了为期4天的膳食状况调查。l对象和方法1．l对象整群抽取成都市盐道街小学四年级2班和4 Reasonable diet, balanced nutrition is to ensure the physical basis of children’s physical and mental development, but also to prevent disease and improve the health of an important condition. In order to understand the dietary status of elementary school students in Salt Road Street and provide the basis for their nutrition guidance, a 4-day dietary survey was conducted for Po students in Grade 4 of the school. l objects and methods 1. l object cluster grouping Chengdu Salt Road Street Primary 4 grade 2 and 4