Know about the beginnings of the Liturgy, is very necessary for these times, in which we find a diversity of rites, which can be very attractive. The most important ritual, however, is the Sacrifice of Jesus on the altar, a sacrifice given to us every day in the Eucharist, the commemoration of the given up of Jesus for the humanity, being the purpose of this brief work emphasize the importance of the liturgy in the life of the Church, because "the Liturgy is both the pinnacle towards which the Church's action tends and the source from where all her strength originates".