<p>The Small and Medium Enterprises Sector has an important role in the Indonesian economy in order to realize a populist economic system. The development of the Small and Medium Enterprises unit is not as fast as other business units, but this Small and Medium Enterprises is a business unit that is able to survive in conditions of economic crisis. This research uses explorative quantitative methods, the object of research is Food MSMEs in Pekanbaru City. The population of 352 Food MSMEs and 100 MSMEs taken as research samples. Variables in this study are entrepreneurial orientation, market orientation, innovation and marketing performance. The result of this study is orientation entrepreneurship, market orientation and sustainable product innovation in the micro and small business sector of traditional food in the city of Pekanbaru are in the good category, while marketing performance, and sustainable competitive advantage in the micro and small business sector in the traditional food in Pekanbaru are in the bad category. Entrepreneurship orientation, market orientation and product innovation towards sustainable competitive advantage both partially. The effect of sustainable competitive advantage on marketing performance, it can be concluded that competitive advantage has a significant effect on performance.</p>