This document aims at better presenting the reasons behind the success of cameroonian SMEs in foreing market. We started out from a literature, according to which Cameroonian SMEs are characterized by limited financial resources, unqualified staff, weak commercial power, insufficient research-development and innovation, low turnover and ageing technologies in comparison to their competitors from other continents. Such characteristics cannot enable a SME to stay abreast in a sustainable manner in foreing market. Yet, other studies reveal the existence of Cameroonian SMEs with markets abroad...