This brochure tells about one of the seven sacraments of the Orthodox Church - the Sacrament of the Consecration: its history, essence, rite with brief comments on the main sacred actions, the conditions for the commission. A special place in the publication is given to explaining the meaning, importance of this Sacrament in the life of every Christian and the entire church organism, as well as analyzing and criticizing the non-Orthodox view of this Sacrament.