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In China, wooden chopping board is a necessary kitchen utensil.According to the investigation, the service life of a cutting board is about two years. After that, there may be coliform bacteria and mold in the cutting board, which is harmful to human body. At the same time, as a consumable cutting board also consumes a lot of trees. Therefore, we designed a kind of composite chopping board. After the replacement of the cutting board, it only needs to be buried and watered. The seeds in the cutting board will grow by using the organic matter and water in the waste cutting board to realize the regeneration of wood.