en Health Education Health Education Original Research Original Research <strong>Background: </strong>By informing and educating, the Media play a main role in increasing the health literacy of the community. Broadcasting health channels (BHCs) are established to improve health literacy and public health worldwide. This study was aimed to evaluate the role of Islamic Republic of Iran the broadcasting health channel (IRIB HC) on public health.<br> &nbsp;&nbsp; <strong>Methods:</strong> A cross-sectional, comparative study was performed on 500 participants throughout 6 urban areas in Tehran, the capital of Iran in 2019. About 250 of the samples were included in viewing the health channel group. A standard questionnaire was used to measure the levels of public health in the 2 groups. Data were analyzed and compared using SPSS software version 25.<br> &nbsp;&nbsp; <strong>Results:</strong> According to the results, health literacy was higher in the group that used the health channel rather than the other group. Also, with regard to physical and psychological health levels, a significant difference was observed between audiences and nonaudiences (p= 0.013, p= 0.001, respectively).<br> &nbsp;&nbsp; <strong>Conclusion: </strong>The IRIB HC has positive effects on increasing the level of health literacy, Physical and psychological health, and consequently improving public health. Therefore, these channels have a great role in the implementation of health polices to improve health status. Mass Media, Public Health, Health Literacy, Iran 418 422 http://mjiri.iums.ac.ir/browse.php?a_code=A-10-1821-7&slc_lang=en&sid=1 Mohammadhossein Saei saei@iribu.ac.ir 200319475328460063301 200319475328460063301 No News and Journalism Department, Media and Communication Faculty, IRIB University, Tehran, Iran Sardar Valadi valadisardar@yahoo.com 200319475328460063302 200319475328460063302 No Department of Research in Social Communication, Communication and Media Faculty, IRIB University, Tehran, Iran Kianoosh Karimi karimik@ut.ac.ir 200319475328460063303 200319475328460063303 No Media Management Department, Faculty of Management, University of Tehran, Tehran, Iran Mohammad Khammarnia m_khammar1985@yahoo.com 200319475328460063304 200319475328460063304 Yes Health Promotion Research Center, Zahedan University of Medical Sciences, Zahedan, Iran