To get familiar with a society, recognition of the culture, human relationships, cultural roots, morals, rituals, and traditions of a nation is essential. To achieve this end, referring to the commonwealth’ s artistic heritage, which is gained through the collective experience and real life of its builders, is very efficient. In this research, the gravestones decorations of Darreh Shahr city were investigated with the aims of identifying their artistic style and discovering the hidden layers of material and behavioral traditions of the past inhabitants of this region using a descriptive-analytical method with an approach of cultural anthropology or ethnography. Accordingly, the main research questions were: (1) what is the artistic style of the gravestones decorations of Darreh Shahr? (2) what were the material and behavioral traditions of the past inhabitants of this land? The results showed that the artistic style of gravestones decorations is a common or realistic style of art. Based on this style, which relates to the social structures of that society and is based on the realities of life, the material tradition resources of this city include guns, daggers, one-sided or two-sided combs, carpet weavers, carpet scaffold, hookahs, turbah and tasbih, afatabah, scissors, and animals like horse, goat and dog. Their behavioral traditions include hunting, flocking, fighting against nature forces, hospitality, carpet weaving and acting on religious principles that, beside material traditions, should be performed by any tribal and nomadic people of the region, appropriate to their gender, for earning the social respect.