The historic city of Boshruyeh is one of the most important indicators of Iranian architecture because of its valuable historical houses. For this reason, it is known as the city of the Four Saqqas. Since the houses of Boshruyeh have always been transformed over time, the absence of a systematic analytical framework for identifying and understanding this association system may lead to the loss of cultural and historical values of the region. The purpose of this study is a deep and systematic examination of how the mass and space interaction and the better understanding of the spatial qualities created by the twoThe important element of the mass and "space" is in the houses of Boshruyeh. In this regard, the two identified historical houses, which belonged to the Safavid period, were selected for analyzing the mass companionship "and" space and how they operate ". Among the findings, most of the masses are located behind the hosts and the outdoor outdoor results. It is also the results of the investigations that the sofa in the houses of the household. It acts as a decisive element in the formation and position of the masses. This element has an impact on how to rotate the spaces and the composition and the access of mass and space.