Nurses have a key role in improving the client's health and their lifestyle is effective in representing services to the patients and client. This study aims to investigate the nursing students' perception about the effective factors on their healthy lifestyle. This study was done qualitatively with the content analysis approach and through 20 semi-structured and deep interviews with undergraduate nursing students of Tehran city. The participants were selected through purposive sampling. Data were analyzed using qualitative content analysis. All interviews were recorded, transcribed, and reviewed. Also, codes were extracted. Based on centrality, codes were put in a sub-category and then by reviewing sub-categories again, they were put in categories and finally, a theme was determined. During the process of content analysis, theme on the effective factors on nursing students' healthy life style was revealed. The theme included 9 categories: ``the perception of effective factors on health promotion'', ``having enough time'', ``inner factors'', ``work-related factors or activity'', ``environmental factors'', ``knowledge and awareness'', ``individual factors'', ``social factors'', and ``perceived priorities''. The participants believed that various and widespread factors affected their health promotion level. The extension of these factors demands the complete attention to different health dimensions and how to improve it by person, family, and community. Hosseini M, Ashktorab T, Taghdisi MH, Esmaeili Vardanjani SA. The explanation of effective factors on the healthy lifestyle of the nursing students' view: A qualitative study. Life Sci J 2012;9(4):5558-5567] (ISSN: 1097-8135). http://www.lifesciencesite.com. 82
