The simplest element of human life is social action. Social action is a vital series of movements, which humans do to achieve a goal in relation with other human. People have an inherent need to social relations and therefore provide a situation that can experience the social relationship. The social and cultural relationships all happen in space so spaces contain social and cultural relations among certain groups and certain places. This happens in a specific period of time. So social life is located in spaces and time and limited by them. In the streets and urban centers and places, social activities generally have superficial modes; most of these activities are passive communication, like vision and hearing the sound of large number of anonymous people. But even this limited activity can also be very attractive. Today’s Life, the high speed causes the limited communication between citizens. In this busy fast life, more social activities (whether, willingly or unwillingly) is going to the passive social relationships. Transient looks, ambiguous and garbled sounds and…. This research in the first section is going to recognizethe social existing relations in Fahadan quarter of Yazd city and also existing public spaces in this area and in the next section the proposal of urban design strategies of public spaces in neighborhood level in order to prepare a good field and strengthening the passive social relations is taken into consideration. So in this way we can increase the quality of social relations between residents and also the amount of these relationships.