ABSTRAK Pendahuluan: Stunting adalah kondisi anak gagal tumbuh yang disebabkan oleh kekurangan nutrisi dalam jangka waktu yang lama. Stunting akan mengancam generasi bangsa, karena efeknya tidak hanya jangka pendek, namun juga jangka panjang, seperti mengganggu perkembangan intelektualitas anak di masa depan. Di sisi lain, deteksi dini adanya risiko stunting sangat diperlukan dan kader posyandu adalah ujung tombak yang diandalkan. Namun kader posyandu adalah tenaga sukarela yang pengetahuan dan ketrampilannya terbatas, sehingga diperlukan program pendampingan atau pelatihan agar para kader posyandu mampu menjalankan peran vitalnya dengan baik. Tujuan: Adapun tujuan dari kegiatan PkM ini adalah melakukan pendampingan dan pelatihan penyegaran pada kader posyandu di kelurahan Way Gubak agar mampu memahami tentang stunting serta mampu melakukan pengukuran tinggi badan anak dengan benar. Metode: Kegiatan pendampingan dan pelatihan penyegaran kader ini diikuti oleh 30 orang kader posyandu yang ada di kelurahan Way Gubak. Kegiatan diawali dengan pre test, kegiatan inti dan diakhiri dengan post test. Hasil: tampak terdapat peningkatan pemahaman para kader posyandu akan pengertian dan faktor risiko terjadinya stunting serta pencegahan stunting. Tampak pula peningkatan ketrampilan dalam pengukuran panjang badan bayi serta pengukuran tinggi badan balita pasca pelatihan. Kesimpulan: program pendampingan yang diberikan mampu meningkatkan pengetahuan dan ketrampilan pada kader posyandu sehingga perlu terus dilakukan upaya pendampingan agar para kader sehingga mampu melakukan deteksi dini adanya peningkatan risiko stunting di masyarakat. Kata kunci: Stunting, Kader Kesehatan, Posyandu ABSTRACT Introduction: Stunting is a condition of failure to thrive in children caused by a lack of nutrition over a long period of time. Stunting will threaten the next generation of our nation, because the effect is not only short term, but also long term, such as disrupting the intellectual development of children in the future. Early detection of the risk of stunting is urgently needed and Posyandu cadres are the main priority. However, posyandu cadres are volunteers with limited knowledge and skills. so a mentoring or training program is needed so that posyandu cadres are able to carry out their vital roles properly Purpose: the purpose of this PkM activity is to provide assistance and refresher training to posyandu cadres in the Way Gubak sub-district so that they are able to understand stunting and be able to measure children's height correctly. Method: The mentoring and refresher training activities for cadres were attended by 30 posyandu cadres in the Way Gubak sub-district. The activity begins with a pre test, core activities and ends with a post test. Result: There is an increase in the understanding of posyandu cadres regarding the meaning, risk factors and prevention of stunting. There was also an increase in skills in measuring the length of the baby's body and measuring the height of the toddler after the training. Conclusion: This mentoring program is able to increase the knowledge and skills of posyandu cadres so that there is a need to continue mentoring efforts so that the cadres are able to carry out early detection of an increased risk of stunting in the community. Keywords: Stunting, Health Cadre, Posyandu