Through the analysis and research on the montage theory, this paper provides a new method for the design of children's growth furniture. This paper analyzes the commonalities between montage theory and children's growth furniture based on the characteristics of children's personality training, extract the characteristics of montage narration and ideology, uses the montage thinking and montage techniques of thinking, parallel, cross, metaphor, contrast, sound and color to find a new path for children's growth furniture designing. The montage thinking and montage narrative techniques contained in the montage theory have rich connotations and can seek new ideas for the design of children's growth furniture. Montage narrative techniques and montage thinking provide a new theoretical framework for the design of children's growth furniture. Through narrative techniques, representative events in the process of children's growth are recorded, and the development of children's personality is continuously improved through the summary and reflection of the story behaviors, incorporating emotional factors into the design of children's growth furniture. The application of montage theory in the design of children's growth furniture is an interdisciplinary and innovative research.