'Let live' is one of the tasks of the psychiatric hospital. In this article is gone further into living as anthropologic datum. An anthropology of the living man has to reckon with the results of the developmentpsychological, social psychological, ethnological and philosophical research. If the psychiatric hospital wants his patients to 'let live', every therapy has to be orientated towards the anthropology, in which the being of living, namely the practising of the total human existence, comes to expression.