Attracting audience to the public libraries of Iran has been one of the most important objectives of Iran's public libraries foundation. Accordingly, the aim of the current research is to design a model for audience attraction in public libraries of Tehran 1st region. This is a qualitative research conducted through the grounded theory approach. In this research, a total of 20 cases of the librarians and managers working in the public library in Tehran 1st region were interviewed through semi-structured interview. In order to analyze interviews, the three-step analysis of open coding, axial coding, and selective coding was used. During the axial coding, the main category was identified and after selective coding and determining relationships, the depicted model was represented. The obtained results showed that among public libraries foundation components to attract the audience, digitalization, library location, organizational entrepreneurship, library equipment, library's interior space design, need analysis, and the librarian's skill in attracting and persuading the audiences in public libraries of Tehran 1st region are very effective and of paramount importance.