國小學童飲食行為是現今值得關注的重要議題。本研究旨在探討國小學童飲食行為、身體意象與自尊之相關研究。從中探究學童飲食行為是否影響身體意象，而身體意象差異是否影響自尊及三者間彼此之關聯性。期望藉此研究能給予學童正確的飲食觀念、提供學童注意身體型態，以利提升學童整體自尊的正向發展。本研究以臺北市國小高年級學童為研究對象，採分層隨機抽樣問卷調查法，有效樣本共計520人。研究工具包括飲食行為量表、身體意象量表以及自尊量表，調查所得資料以SPSS 20.0電腦統計套裝軟體進行統計分析。結果顯示：國小學童飲食行為、身體意象與自尊有顯著相關，而飲食行為與身體意象皆能顯著預測自尊。建議學校及家長平時應建立學童正確的飲食觀念及行為，並使學童建立良好的身體意象，並藉由自信的身體意象發展成正向的自尊以利學童身心之健康發展。

This survey aims at investigating the relationships between diet behaviors, image body and self-esteem among elementary students. Methods: We collected the data by literature analysis method and investigate whether the diet behaviors among elementary students would affect the body image, also whether the body image would affect the sense of self-esteem, and the relationships between these three aspects. This survey targeted the senior grades in elementary school students in Taipei city. We used the stratified-random-sampling questionnaire investigation, and the effective sample number was 520. The charts we used were diet behavior scale, body image scale and self-esteem scale, to analyze the obtained data by SPSS 20.0 computer statistic software. Results: The dietary behavior, body image and self-esteem of elementary students were significantly correlated, while diet behavior and body image could significantly predict self-esteem. Conclusions: Schools and their parents should establish proper dietary attitudes and behavior, and enable them to build up good body images and develop positive self-esteem through self-confident body images to facilitate the healthy development of their physical and mental health.