功能主义设计理论认为,设计形式是从属于、适应于功能的关系和规则的。功能主义注重产品功能,强调设计的客观关联,淡化它和主体观念的关系。认为只有“客观的系统”才是可能的和可信的,才能发挥产品的效用,而设计的形式必须满足功能的要求,自我构建成“相互作用中的一种系统”才具备 Functionalist design theory that the design form is subordinate to adapt to the relationship between function and rules. Functionalism pays attention to the product function, emphasizes the objective correlation of the design, and desalinates its relationship with the concept of the subject. It is considered that only the “objective system” is possible and credible to exert the utility of the product, and the design form must meet the functional requirements and be self-constructed into a system of “interaction”