Mantra is a word or a short saying, a short prayer repeated in order to fix the distractions of the mind. Under mantra meditation I mean the repetitive prayer, the aim of which is meeting with God, and involving the whole person at prayer. (I do not speak about the simplified techniques aiming only at healing or success and using only parts of the capacity inherent in this meditation technique). The mantra has a meaning, a melody of sounds and vibration, and hence it acts upon the reason, the feelings and the senses (functions of the spirit, soul and body). In case, of its meaning is paradoxical, it acts even upon intuition. Consequently mantra meditation is a suitable technique for all psychological types of people (i.e. predominantly thinking, feeling, sensation or intuitive types). In the present age when „Word (verbal thinking) infiltrates throughout almost all of our activities, this technique has a preferential importance. The history of mantra meditation goes back to the Vedic times, it has been used in all great religions and recently (in 1975) it has been revived even in Western Christianity by the benedictine Christian Meditation Centre. Its effect upon the organism is twofold. 1. By repetition the mantra becomes faster and finer and leads from the realm of the body through the soul to the spirit, from the sound of the everyday life to the silience of the divine background. While repeating the mantra, one leaves behind thoughts and images, reminiscences and desires, past and future and gets in contact with the eternal present. This offers a simple and humble contempla tive way for a great number of people who are ready to accept it. Its fruits should be: calmness, joyfulness, helpfulness, respect for the others steps towards the final aim: „sanctification. 2. By ardent practice mantra meditation causes an illumination (awakening, enlightenment) or even a mystical union in some of the meditators. This is the mystical way for a much smaller number of people. Both processes involve moral purification (purgation). None of the above mentioned goals can be achieved exclusively by medita tion, Conversion, deep faith, reception of the Holy Spirit in Christianity, or practicing constant mindfulness (vipassana) in Buddhism are sufficient in them selves for spiritual unfolding without this sort of deep absorption („dhyana in sanskrit). Noone denies, however, that the above mentioned processes and repetitive prayer (i.e. mantra meditation) mutually promote the progress of the individual on these various ways. The great advantage of mantra meditation is