The measures taken by the Catholic Church after the Council of Trent permeated many of the religious practices within the Catholic territories and the sacred oratory was no exception. During the 17th century in Spain, the preaching of sermons was one of the most effective means of cultural indoctrination. This triggered the publication of treaties and instructions on how to preach and carry out missions. The presence of theatrical elements was a constant in those treaties and instructions, but which are the encouragements that stimulate preachers to use these elements?