The purpose of this research is to design a sustainable supply chain model with an emphasis on behavioral factors for foodstuff in Kermanshah province. This is an applied research. The literature review was the outcome of a library study such as books, journals, dissertations, articles, and so on, and the data were collected through a questionnaire which was analyzed by statistical methods. Regarding the subject of this research, the study population consists of managers and staff associated with the supply chain in Kermanshah food companies, involving 100 people. Having analyzed the data using the structural equation modeling and PLS software, it was turned out that the training environment, innovation, motivation, staff empowering, mutual trust and respect, as well as teamwork had a positive and significant effect on the sustainable supply chain with three environmental, social and economic indicators.