Old cobblestone is a natural stone product that combines historical texture with practical functionality, primarily sourced from the disassembly of old buildings or naturally weathered stones. It boasts an ancient coloration and natural grain, with some surfaces retaining traces of past use, carrying the historical memory and cultural charm of traditional architecture. The material is mainly natural bluestone and granite, with a hard and dense texture. After long-term natural abrasion, it has enhanced wear resistance and resistance to weathering, capable of adapting to various indoor and outdoor environments. In terms of processing, it undergoes cleaning, repair, and surface polishing based on usage requirements, preserving the original texture while ensuring a smooth surface without sharp edges, maintaining the historical appearance of the cobblestone while also enhancing safety and comfort. Its applications are versatile, suitable for indoor flooring to inject a retro atmosphere, compatible with Chinese and industrial styles; for courtyard and garden paths, paired with greenery and water features, creating a natural and ancient landscape; for wall decoration, presenting unique wall textures through assembly, becoming a visual highlight in the space; and for the restoration or construction of ancient or simulated ancient buildings, restoring the original appearance of historical structures and conveying traditional architectural culture. Relying on the characteristics of natural old stone, cobblestone requires minimal maintenance and has a long service life, meeting both decorative and practical needs of modern spaces while evoking emotional resonance with traditional architecture through its historical texture. It is a distinctive stone product that combines cultural and practical value.