Agri-food marketing appears today to be indispensable for local development and decentralization in Africa. In constant evolution, it plays a vital role in the performance and coordination of business policies and the management of agri-food system processes. Agri-food marketing is unanimously recognized as very effective in making us buy products that we did not know we needed. Likewise, with its awareness, communication and promotion campaigns, agri-food marketing brings a lot to the field of local development and decentralization. It allows us to encourage the population to adopt and promote behavior that is defined as safe and favorable to grassroots development. Agri-food marketing techniques make it possible to define and determine the target public, to know its tastes, its behavioral patterns, its networks of influence, its factors limiting change, beyond simple demographic or sociological knowledge, for a better formulation of the agri-food marketing strategy.