This is an innovative art dedicated electric pencil sharpener, efficient sharpening at the same time, can automatically separate and filter charcoal ash and sawdust. Filtered charcoal ash is a good painting tool, often used in sketch painting, wood chips can be used for hand-made decorative painting or plant compost. The modular design allows the vacuum module to be independently disassembled and equipped with a dust collection box, making it a desktop vacuum cleaner, thus obtaining a new product. The design helps to improve resource utilization, reduce resource waste and environmental pollution, in order to achieve the best use of the design concept.