Accepte avril 1986Infant-caretaking as a complex activity is a part of the culture. Each country, each ethnic group has his own norms, theories and practices. Three facets of the mother-infant relationship (from the point of view of the mother) can be identified: they are practices (nursing and home stimulations), representations and folk theories, and styles of interaction. They all vary in function of environmental, social and cultural factors, the strength of each is discussed here. Also, the first part of h s paper informs the reader on methodological problems in this kind of studies. And, in the last one, mother-infant relationship in the migration context is studied.