The honeycomb boards middle layer adopts double bubble, top-to-top bubble, or hexagonal bubble structure, which exhibits many advantages, such as light weight, high strength, stretch-proof, folding-proof, heat insulation, water-resistance, flame retardance, anti-static, easy-processing, environmentally-friendly, beautify, 100% recyclable. The product can be used in logistics industry as turnover box, used in furniture industry as furniture and kitchen cabinet, used in construction industry as construction formwork, prefabricated house, light villa, and etc.