Iran is a country where most of its part are located on active and passive faults that there is possibility of a magnitude earthquake at any moment. Due to activation of the Eshtehard fault after 800 years and the occurrence of recent earthquakes in Mallard, the alarm for a high earthquake in this area has come to light. due to the fact that the earthquake itself is not deadly, and in fact, the weakness of the structures is destroying and killing people. Therefore, investing the damage of Mallard county buildings against earthquakes prior to the onset of stronger earthquake is necessary. This article intends to rely on the library method and field observation, investigates the degree of vulnerability of the building of Mallard in terms of structure and architecture and at the end, it is concluded that in the event of a earthquake with higher grinder, how many buildings are likely to be destroyed.