Objective: to analyze the use of the Practical Approach to Care Kit as a technology adopted in nurses’ clinical practice for HIV management in Primary Health Care. Method: an exploratory and descriptive research study anchored in the methodological framework of the Constructivist Grounded Theory. The participants were defined through initial sampling, with 12 nurses, and theoretical sampling, with five managers, totaling 17 participants. The data were collected by means of intensive interviews and documentary analysis, and they were analyzed in two stages: 1) Initial coding; and 2) Focused coding. Results: the professionals identified the Practical Approach to Care Kit as a technological innovation that contributed to expanding the clinical practice and to empowering nurses in the clinical management of HIV infection. They also highlighted its importance as a tool for guiding the different responsibilities and duties while sharing care, contributing to the provision of evidence-based practices. Conclusion: The Practical Approach to Care Kit is a technological innovation that has transformed nurses’ clinical practice in HIV management, expanding their scope of activities in carrying out the diagnosis, assessing the health condition and counseling, evaluating adherence to the treatment, adverse effects and prescription of exams, medications, and immunobiological.