Mesoamerica and its peoples have a particular vision of human life and well-being, which is reflected in the customs they call medicin and in their oracles, mainly corn reading. This oracle demonstrates the cultural, magical and esoteric value of corn. In this talk, we will estudy the basic technique of this oracle, an explanation of its structure, as well as some of the philosophical terms necessary to understand its mechanics, along with the history of the encounter of Europe and America and the resulting mestizaje, will be touched.