. Stunting is one of the significant nutritional issues around the world. Stunting is a common phenomenon among Indonesian and Malaysian children. In 2019, statistics from the National Health Morbidity Survey (NHMS) Malaysia reported that 21.8% of Malaysian children under four years were stunted. Some studies revealed that exclusive breastfeeding was one of the highest risk factors for stunting. All health workers caring for women and children during the post-natal period and beyond have a crucial role in establishing and sustaining breastfeeding. Many health workers cannot fulfill this role effectively because they have yet to be trained. The materials in the training course are designed to make it possible for trainers, even those with limited experience in teaching the subject, to conduct up-to-date. Community service activities are carried out at Tengku Ampuan Afzan Hospital in Kuantan, Malaysia. The procedure for community service activities is divided into several stages; the first was coordination with the Head of the Tengku Ampuan Afzan Hospital in Kuantan, Malaysia. The next stage is implementing a mother-baby-friendly services training course for maternity staff to prevent stunting. The last stage is the evaluation of the competencies of nurses. The results of the community service show that 25 nurses have the competencies to become exclusive breastfeeding counselors and are certified