The aim of this work was to analyze the reasons why a spoiled sector and pro-government as the coffee makers, results attractive for leftist and apparently is interested on their stamens and organization. In order to answer the question: Until which point Polo Democratico Alternativo´s members work at the coffee sector turn on in political support for the party? The dynamic of coffee´s economy, its organizations and institutions was exposed. As result an exam of Polo Democratico Alternativo´s way of gaining the sector´s support was made.