Solitude means BEGGING, asking for money and other such things from people in the streets, alleys, and urban neighborhoods, and it is one of the current social issues and harms that shape the Iranian society. Oneness as an informal economic action or activity can have economic, social, structural and cultural causes. The main purpose of the research is to study the culture of street reciprocity from the point of view of sociological theory, relying on experimental researches. The research method is the type of documents that the researcher has used from articles, books and printed works to answer the research questions. The results show that hanging out in Iran's big cities has become a relatively normal style of informal social activity and citizens have accepted it as a part of the social phenomenon. According to sociological perspectives, street loneliness in Iran is the result of the culture of poverty (symbolic and cultural violence against beggars, cultural deprivation, shame, lost sense of identity,everyday lifestyle, belonging and acceptance in the street subculture, cultural habit),Functional curve is structural (social inability to organize the unemployed,unfavorable business environment,class conflict and gap, social exclusion, family disorganization, collapse of social capital and lack of social identity.