Charging pile is a product design. Its product line ranges from AC charging pile to DC charging pile. Customers hope to establish a brand-new family design style language through this design. PI product identification enables enterprises and consumers to establish a loyal, efficient and attractive connection relationship. More and more enterprises take product identification as a kind of enterprise strategy to design and plan. PI product design for design activities is through product modeling, color, material, structure, technology, surface treatment process, human-machine experience and other aspects to shape the unified sensory feeling of the product, the purpose is to finally obtain the unified identity of consumers.