Before the Covid-19 pandemic hit countries in the world including Indonesia starting in early 2020, Medan City, as the third largest city in Indonesia, as well as the largest city outside Java, had a fairly rapid development of the retail business. In 2020 and 2021 researchers have conducted research on MSMEs in the city of Medan. The formulation of the problem in this research is how to determine the model of cooperation for the modern retail market business with MSMEs in the city of Medan after the Covid-19 pandemic. . The purpose of this research is to find a partnership model between modern retail market businesses and MSMEs in Medan City after the Covid-19 pandemic.