| Children’s night light is a product of human emotions under instinctive fear throughout the night, which functions as night-time lighting effects and relieves anxiety.Currently,children’s night lights’ market is full of zoomorphic products, the age group of children user is undefined. Using literature research, cases study, interdisciplinary research method to analyze the results of the study combined with children’s physiology, psychology, ergonomics, design study, from a psychological point of view, the author did research on the children’s cognitive level differences in various stages of development.From a physiological point of view, the paper has adopted the relevant national standards, analyzing in details, combined with ergonomics theory, specifically for the right products designed to be used by children, trying to avoid structural design defects. In the area of psychology based on Jean Piaget’s theory of children’s cognitive, the growth period of the children is divided into four stages. Each stage has its own characteristics, providing a significant reference for designer.targeting the children who need night lights. Applying emotional design theory on design, from the design point of view, the structure of children’s emotion is divided into three levels. They are interest preferences, self-image, and higher level of demand, children will gradually appear individual differences in the process of growing. The elder ship are also considered as an important design reference who may have an impact on the design.Finally, based on the principles and the methods of children’ s night lights design,the author proposed a storytelling, game play design which could also give children both physiological and psychological experience of joy. |