In order to cultivate children's cooperative consciousness, this paper puts forward an effective and innovative method of children's furniture design, and then constructs a new interactive mode. Through the systematic analysis of the cultivation methods of children's cooperative consciousness, the social attributes of children's life habits are obtained. Taking the design of children seat as an example, the innovative design method of group cooperative consciousness in children's furniture products is explored, and the three basic elements of behavior, psychology and environment are taken as the design object. Using the separation method, combination method, combination principle and pre-action method of TRIZ innovation theory, the contradictions and conflicts between various elements of children's furniture product design is solved. The furniture design method and products conducive to cultivating children's group collaboration are constructed.