This doctoral thesis aims to understand the specific ritual burial practices in the early twenty-first century. The classic ritual analyses (structural-functionalist and interactionist) led us to focus on the ritual process rather than on the ritual itself, so we adopted a ritual action perspective. To reduce the focus on the social reality studied, we posit that among the various transformations of funerals, the phenomenon of cremation is a gateway to understand this specificity. This thesis has two objectives: 1) The first is descriptive. In the path of dying, from a relational understanding, we explored the funeral process, notably the cremation, as a mode of body transformation as an operational chain of dying. Our data was collected th...