This French-language professional manual presents practical guidance for nursing assistants in training and practice. Centered on the role of the *aide-soignant*, it addresses the applied techniques of patient care, hygiene, comfort, observation, and support within healthcare settings. As a training resource, it is suited to students preparing for professional examinations and to staff seeking a structured reference for everyday care tasks. The volume emphasizes safe, methodical practice and the contribution of nursing assistants to the wider care team, linking technical procedures with the dignity and well-being of patients.