For the development of priestly vocations significant impact have well organized and dynamically conducted pastoral activities. It was found in the research that almost half of the priests were interested in priesthood already in the years of primary school. The significant influence then had talks of young people with priests. The recognition of the calling was made through the participation of young people in religious groups, especially in the Oaza movement. Altar boys, as well as Holy Mass and adoration services have a beneficial effect on the roots and development of priestly vocations. In choosing a vocation, religious motives were predominant. The quality of moral life of the society and the personal authority of the priest are also important.