This article aims to share the experience of choosing Grounded Theory from a Classic perspective, as a methodology to undertake doctoral re-search training. First, we identify main perspectives in this methodology. Second, we highlight most important Baney Glaser´ contributions in Grounded Theory. That provides researchers to meet investigation challenges process and to increase its stock of knowledge. Classic Grounded Theory for a doctoral thesis development allowed us to reknow it as perspective, and to build up a way in which the researcher is to develop inven-tiveness and desire to investigate and search to understand the reality around. This methodology, ever since it opens doctoral students in nursing a range of possibilities by allowing them to study, not only biological, but also ethical, creative, imaginative, context which are appropriate to nursing care, a way to ensure the integral vision of the human being, raison of been of our profession.