The work aims to summarize the sustainable design methods in the furniture industry and study the sustainable design of educational furniture through specific case studies, and propose design strategies and discuss their feasibility. The method of ReCiPe 2016 was adopted to evaluate the design case of furniture set in a dormitory through product life cycle assessment (LCA), and the environmental hot issues of the product were obtained. The corresponding design strategies were put forward and the feasibility of the obtained design strategies was analyzed through expert evaluation in four dimensions of environment, quality, economy and realizability. The evaluation results show that the manufacture and consumption of steel and solid wood laminates were the environmental hotspots of dormitory furniture sets. Based on this, it was proposed to reduce and optimize the consumption of steel and wood, prolong the service life, adopt the design of modular or replaceable parts, establish a recycling and remanufacturing system, choose more environmentally friendly plates and select a more environmentally friendly transportation mode to design the strategy and evaluate the feasibility of the strategy. Using the quantitative method of product life cycle assessment (LCA) can help designers to find environmental hot issues of products, put forward improvement strategies and compare the advantages and disadvantages of various improvement schemes from the perspective of life cycle. The work studies the sustainable design of educational furniture through specific cases, which has certain practical significance and can also provide reference for the sustainable design of educational furniture industry.