This alternative income, prevents the sprouting of social problems for city it preserves the social memory thus constituting the local identity. The street fair, object of this research, passed for municipal legislative transformations, with the objective to fortify the informal commerce, therefore it promotes the sociability, favoring the social cohesion and the practical one of the sustainable economy. Through the description and analysis of the same one, we understand the forms of on construction of the social memory to the urban space. How much to the procedures technician to materialize this work a verbal research was used, having as instrument a recorder for collection of data. I counted on the contribution of: eight traders, five frequentadores and two members of the association of feirantes. Through the orality and of the memory he was possible to identify to the transformations and adaptations for which the fair passed throughout the time. It is important to detach that the interviewed gifts in this article, had had the preserved names in such a way, had been used fictitious names. To support my analyses I counted on scientific aid of workmanships and articles that had contributed with the development of the project.

Orality and Memory When initiating this work is primordial to launch the foundations had supported that it in what it is about Culture and Memory. On the concept of memory Le Goff it explains that: The memory concept is crucial. Although the present assay is exclusively dedicated the memory as it appears in sciences human beings, and if it more than occupies the collective memory that of the individual memories, is important to summarily describe the misty memory in global the scientific field. The memory, as property to conserve certain information, sends in first place to a set of psychic functions, favours which the man can bring up to date passed impressions or information, or that it represents as last (LE GOFF, 1990, pag419).