Youth in contemporary society has taken a position in relation to the holy and to the religiosity completely different from established religion. This research intends to identify some characteristics on formation of religious identity of youth faced with a religious field more and more plural in a global and consumption culture. We notice that is usual among youth the religious traffic, a floating between denominations and systems searching to build their structure of meaning. Faced with the strong influence of subjectivity in relation to the religious choices, the religion become "invisible" because it is located in the subjectivity of the person who has to build now its structure of meaning described always much more provisional and nomad