Metacontingencial Analysis had been a useful strategy to explain socio-cultural phenomenon, with base on behavior analysis principles. Obesity studies, it was especially related with epidemiology aspects, whose principal result was characterizes these problem, but it doesn't achieve explain and neither establish the relations between particular and global contextual factor, that been critical to acquire and maintenance, and the behavior's obesity people. It make a contingencial map for this problem, base it on Matainni (1996) propose, this show dependent relations between behaviors, occasions, models, rules and consequences. Also presents important topics that could be changed to affect factors related with obesity maintenance and help to diminished its prevalence and incidence, understanding this phenomenon in a cultural level.