In my diploma's thesis "Representation of the Christ's sacrifice during the Holy Mass in the documents of the magisterium." to deal with the way how the church doctrine and faith in this mystery in their documents is submit. The first part is devoted to describe Son's realitonship to Father in Trinity and analysis of the key texts of the Scriptures of the Old and New Testaments that the Church on this topic covered. The second part deals with some texts approved documents, the Council of Trent on the Eucharist and the Sacrifice. The third part contains the view of Pope Pius XII. on the Eucharist and its actualization, as reflected in documents Mystici corporis, Mediator Dei and Humani generis. The fourth part of my work explores ways of pre...