EN
In author`s study, the author analyzed all euchological texts of the liturgical memorial of St. Francis de Sales, both in the Roman Missal for Polish dioceses and in the Messale proprio della Famiglia Salesiana. It turned out to be a valuable procedure aimed at showing the essential elements of the spirituality of St. Francis de Sales. They have been documented with facts from the life of the holy bishop from Geneva. In addition, the article presents a wealth of mass texts that fulfill many functions, primarily cognitive, didactic, formation and catechetical.