This article sets outs Bioethics Committees as organisms of deliberative, axiological, and deontological nature, as a result of the awareness and ethical-critical commitment of the academic and scientific population in order to contribute, in a pragmatic and concrete manner, to issues which directly deal with today´s man and their future global impact. It presents their essential action and incidence in the current bioethical debate, t h e i r c h a r a c t e r i s t i c s , d i f f i c u l t i e s , educational commitments and challenges.