The work aims to explore the feasibility of the semiotics as a design method to be applied in children's furniture design based on the relevant theories of structuralism semiotics. According to the type of the cognition from the recipient to the information of things, symbol perception was taken as the medium to clarify the transmission and transformation relationship of the information of things between "objects (things)-people (recipients)-objects (products)". With the help of the completed analysis framework for transmission and transformation of thing information, the basic fundamental principle of semiotics as the children's furniture design method was analyzed. Combined with the different types of transmission and transformation of symbol perception, different types of basic framework of children's furniture design text were constructed. The rationality of the framework was verified by specific design scheme, proving that the framework had the possibility of providing research and design paradigm for innovative design of children's furniture. The application semiotics in children's furniture design can promote the integration between semiotics and children's furniture design, improve the research depth of children's furniture design and consolidate the research foundation of children's furniture design.