目的 探究食品包装对消费者感知和偏好的影响。方法 将包装元素分为尺寸、形状、材质、图片、文字等，通过总结营销学、营养学、心理学和食品科学等领域的相关研究，分别探究食品包装的不同元素对消费者食品消耗量的影响及其背后的心理机制。结果 食品包装在很多情况下会影响人们的判断偏差，并最终导致食物过量消费。结论 研究结果有利于设计出更合理的食品包装，减少食品摄入过量现象，引导更健康的包装食品消费。

The work aims to explore how food package affects consumer's perception and preferences. Packaging elements were divided into size, shape, material, text, images, etc. Related researches in fields of marketing, nutrition, psychology and food science were concluded to explore how different elements of food package affected consumers’ food consumption and study its internal psychological mechanism respectively. Food package always influenced consumers’ judgment bias and eventually caused excessive consumption. In conclusion, this research will be helpful to design more reasonable food package, reduce food intake extravagancy and lead to healthier consumption of packaged food.