The interest for the comprehension of interaction process people-environment has behaved to formalize the judgement of Quality of Life in city according to six indicators such as green spaces, development of urban network, density of health professionals, feeling security, place attachment, neighboring relationships. Functional Theory of Cognition (Anderson, 1996) and its methodology have based the problematical according to one of the orientations of environmental evaluation proposed by Bonnès & Secchiaroli (1995). Global results, in regard to indicators impact and differentials results, concerning sex, age and place of living, have been established.