In Benin in general and especially in the district of Toffo Atlantic department, traditional systems of agricultural production don’t permit farming to conform itself to land pressure, market demand, to minimize poverty, to satisfy population food needs and to preserve environment. This study focused on fodder importance of forest palm oil agro systems (Elaeis guineensis) in the district of Toffo, Southern Benin. The aim of this study is to analyze agro pastoral diversity importance of palm oil agro systems in the district of Toffo. Specifically to: i) identify the different types of forest palm oil agrosystems ii) identify fodder species diversity in agrosystems, iii) to census diversity of plant species and, vi) to study agronomic and ecological importance of agrosystems in the district of Toffo.