The search for better ways to optimize storage activities has been the keynote of organizations' warehouses. In this context, there is a need to expose practices that the lean warehouse underlies them. The objective of this work is to analyze the benefits of applying practices that follow the lean philosophy in the area of product storage in companies. The method used to prepare this article was through a literature review. The results found indicate that practices such as 5S culture, the ABC curve, layout change, picking, kanban and others generate several benefits. The conclusion of this article is that lean generates benefits, for example: it increases productivity, improves the service level, increases the useful area and reduces waiting time, among others.