In order to avoid that the causalities of various severity of illness concentrates on a hospital at the time of a disaster, the cities have formed a plan to install an emergency medical aid station are seen. However, there is not argue about preparation of the emergency medical aid station in the elementary school where the medical relief activities in the area are performed in many cases. So, in this research, we conducted investigation about the preparation for which a medical staff devises to an example the medical relief activities in the elementary school in which an emergency medical aid station. From a result, consideration arranges required contents at the time of the practical use method of the existing institution, and preparation. Moreover, we consider the requirements for which the institution which is easy to utilize as an emergency medical aid station is asked.