Nova Cachoeirinha enabled residents to experience qualification through the perspective of collaborative practice and interprofessional interaction. Such synergy was favored by the group activity "Diário: Primeiras Histórias", in which mothers and other family members were invited to build their infants' diaries under the coordination of the preceptor and occupational therapist, and residents in the fields of psychology, nutrition, nursing, pharmacy, speech therapy, social work and physiotherapy. This study concerns the reflections from residents' experiences in the group, and the interprofessional approach as a care strategy for women whose newborns require more extended hospitalization in the neonatal unit due to prematurity and severity of the clinical condition. Objective: To describe and analyze the experiences of interprofessional health education of residents in neonatology developed through assisting technology consisting of group activity with the mothers of babies admitted to the NICU (Neonatal Intensive Care Unit). Method: Exploratorydescriptive, retrospective and prospective qualitative approach, carried out through a documentary study of the activities and dynamics adopted in group sessions recorded in a field survey from August 2017 to December 2019, and complemented with semi-structured interviews, applied to residents of the professional fields participating in the group. Qualitative data were organized and studied based on thematic content analysis. Results: It was identified that 43 (forty-three) residents, (73%) of the 7 (seven) professional fields of the program. participated in 78 (seventyeight) sessions of the group activity "Diário: Primeiras Histórias", in which the population comprised mainly by mothers, 316 (three hundred and sixteen) who wrote diaries, not only for their hospitalized infants, but also their other offspring and family members. All professional fields had the opportunity to interact with at least three others and a maximum of seven different professions, with the highest number of interactions being with occupational therapy. Semi-structured interviews were conducted with 15 (fifteen) residents and former professionals, 6 (six) psychologists, 3 (three) nutritionists, 2 (two) speech therapists, 2 (two) social workers, 1 (one) nurse and 1 (one) physiotherapist. All professional categories had eligible residents except pharmacy. The research participants were primarily female, single, between 25 (twenty-five) and 34 (thirty-four) years old, with graduation time of less than 2 (two) years and second year residents. Conclusions: The study provided residents with the experience of interprofessional collaborative practice and the development of collaborative skills, enhancing comprehensiveness and humanization of care, and lastly, improving relationships among residents and patients. As an educational product, 2 (two) videos were developed to publicize the group activity for mothers and residents with differentiated content and terms according to the profile of the target audien...