Please cite as: Mirzaei-Alavijeh M, Hidarnia A, Kok G, Niknami Sh, Motlagh MI. The My Family-Study oŶset suďstaŶĐe use prevention programme in early childhood: an introduction. Arvand J Health Med Sci 2016;1(3):188-190. Arvand Journal of Health & Medical Sciences ©2016 Abadan University of Medical sciences The My Family-Study oŶset suďstaŶĐe use preveŶtioŶ prograŵŵe iŶ early childhood: an introduction Mehdi Mirzaei-Alavijeh 1 , Alireza Hidarnia 1 , Gerjo Kok 2 , Shamsaddin Niknami 1 , Mohammad Ismail Motlagh 3 1 Department of Health Education, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran 2 Department of Work and Social Psychology School of Psychology and Neuroscience, Maastricht University, Maastricht, Netherlands 3 Department of Pediatrics, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran  Reprint or Correspondence: Alireza Hidarnia; PhD. Department of Health Education, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran @ hidarnia@modares.ac.ir. Received: 23 May 2016 Accepted: 19 June 2016 To The Editor Prevalence rate of substance abuse is increasing in Iran (1) and there is a decrease in the age the onset of substance use (2). Therefore, it seems necessary to preventing substance abuse since early childhood. Since family play an essential role in development and growth of children among genetics, temperament and environment factors (3, 4), and studies have shown family can protect children against substance abuse behaviors (5-7), and family has been known as one of the most important preventive factors (8, 9), hence it seems, there would be important to make use of comprehensive, systematic and ecological models or frameworks with a wide participation of community members and stakeholders, to identify the most effective factors to substance abuse preǀeŶtiŶg ďased oŶ pareŶts’ roles aŶd faŵily environments in Iranian society (10), which provide to health promotion program planners with a framework for effective decision making at each step in intervention planning, implementation, and evaluation based on the evidence and theories to developing effective interventions programs planned by focusing on a combination of factors as well as behavioral and environmental determinants defined is essential (11). Although the mentioned set, existing literature, appropriate theories and research data have been known as basic tools for health educators and promoters, but often it is unclear how, where and when to use them in planning programs. Thus, it is helpful and essential to use effective frameworks to overcome the weaknesses. A leading model in the field is Intervention Mapping (IM) protocol (12), which is a planning approach considering the importance of developing programs based on theories and evidence, which addressed with an ecological approach to assessment and intervention about problems related to health and social participation (13). Now there are several family-based programs LETTER TO EDITOR