Investment feasibility and opportunity for the case of local place: Vohimana Community Forestry, is an open minded subject to study a feasible and adaptive investment project at community level. Meanwhile, population are farmer not trader and information are sharing only by traditional systems, from Tangalamena to key populations and villagers. So how to introduce new development project without imposing negative impacts to population, how to preserve natural resources as we know, medicinal plant help not only local people but also population who need cure all around the world. Doing this study are not easy because community are available to listen idea only after work and have a bad attitude. This work can be a kind of useful information to begin project or topic study in the field of natural resources conservation, population behavior, reasons of deforestation, rural poverty, level of education, many many topics of environmental and economics study.