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This paper describes the process and method of designing children’s home oral protection products based on perceptual engineering theory. Representative product samples and key perceptual vocabulary are selected through various analysis methods such as survey research. Combined with the semantic differential method for quantitative analysis, the data of users’ perceptual cognition of the sample products are obtained, so as to obtain the perceptual vocabulary of the typical samples. Using SPSS factor analysis and principal component analysis, we obtained the variance diagram, fragmentation diagram, rotated factor loading coefficient diagram and component matrix diagram of the typical sample perceptual vocabulary data, and extracted four key perceptual vocabularies affecting the design of children’s household oral protection products: “cartoon”, “experience”, “warmth”, and “texture”. The method satisfies children’s perceptual needs and provides a reference for product design research in children’s groups.
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