The main purposes of identification process in mass disaster is to find the corpses identity in order to give it back to their family by doing some identification methods such as primer identification which must do at the first time because they have highly and accurate result as the identifiers. There are many differences between the burned corpses on the the tragedy of the burning of Garuda Airlines and the drowned corpses on the tragedy of the sinking of Senopati Nusantara ship , many difference characteristic that influence the process of forensic identification. In the burned corpses, teeths are still intact and relatives still could be examined than another primery identifiers. It makes difference priority between one to another cases. So, from the two different cases, we can choose the different primer identifiers as the priority depend on the condition of the dead bodies related to the accident in order to make the right identity for giving back to the relatives.