The continuous iteration of furniture products has accelerated the replacement frequency of people, resulting in the waste of resources and environmental pollution. This paper analyzed the life cycle of furniture products, combined with furniture redesign cases, studied the practice of natural biomaterials in furniture design, grasped the sustainable development direction of sustainable furniture design, analyzed the design elements of natural biomaterials from the perspective of design, summarized the design principles of natural biomaterials furniture, and promoted the development of sustainable furniture design.