In this study, considering the significant amount of potato cultivation and production in Hamedan province and Bahar county and the high amount of its waste and the economic, social and environmental importance of waste, relying on the concepts and opinions of farmers, experts and elites in the field of potatoes, an explanation of potato waste reduction management and its sustainable production model in this region provided. The methodology of this research is qualitative and in the discussion of the method, the theory grounded has been used. The studied population were farmers, managers and experts related to potato crop in Bahar Hamadan city. The results showed that Important factors that cause potato waste include six economic, technical, natural, biological, knowledge and skill, political and social factors, which is considered the most effective economic factor. Also, the effective factors on potato waste reduction management include internal factors (farmers, drivers, workers, local organizations and syndicates and cooperatives) and external factors (government, market and companies). Finally, the sustainable production model of this product was presented based on actions before cultivation, during cultivation, timing harvest and post-harvest.