ABSTRAK Stunting masih menjadi masalah kesehatan nasional yang belum terselesaikan. Faktor lingkungan, termasuk pengelolaan sampah dan sanitasi, memiliki kontribusi terhadap kejadian stunting. Petugas pengelola sampah berperan penting dalam menjaga kebersihan lingkungan. Kegiatan ini bertujuan untuk meningkatkan pengetahuan dan keterampilan petugas pengelola sampah mengenai pencegahan infeksi melalui pelatihan personal hygiene, penggunaan APD yang benar, serta penerapan ergonomi kerja dalam mendukung pencegahan stunting berbasis lingkungan sehat. Penyuluhan, pelatihan, demonstrasi, redemonstrasi, dan pendampingan dengan pendekatan Asset Based Community Development (ABCD). Tahapan meliputi sosialisasi, pelatihan pencegahan infeksi dan ergonomi, pengadaan fasilitas cuci tangan dan APD standar, serta monitoring dan evaluasi hasil kegiatan. Terdapat peningkatan pengetahuan setelah pelatihan. Pada pelatihan pertama mengenai personal hygiene dan APD, nilai rata-rata pengetahuan meningkat dari 90,48% menjadi 100%. Pelatihan kedua mengenai ergonomi kerja menunjukkan peningkatan rata-rata dari 82,14% menjadi 100%. Selain itu, fasilitas cuci tangan telah terpasang di area pengelolaan sampah. Kegiatan pelatihan dan pendampingan berhasil meningkatkan pengetahuan serta kesadaran petugas pengelola sampah terhadap pentingnya personal hygiene, penggunaan APD, dan penerapan ergonomi kerja. Kata Kunci: Stunting, Pengelolaan Sampah, Personal Hygiene, Alat Pelindung Diri, Ergonomi. ABSTRACT Stunting remains an unresolved national health issue. Environmental factors, including waste management and sanitation, contribute to the occurrence of stunting. Waste management workers play an important role in maintaining environmental cleanliness. This activity aims to improve the knowledge and skills of waste management workers in infection prevention through training on personal hygiene, proper use of personal protective equipment (PPE), and the application of work ergonomics to support stunting prevention based on a healthy environment. The methods used include education, training, demonstration, redemonstration, and mentoring with an Asset-Based Community Development (ABCD) approach. The stages involved socialization, training on infection prevention and ergonomics, provision of handwashing facilities and standard PPE, as well as monitoring and evaluation of the program outcomes. There was an increase in knowledge after the training. In the first training session on personal hygiene and PPE, the average knowledge score increased from 90.48% to 100%. The second training session on work ergonomics showed an average increase from 82.14% to 100%. In addition, handwashing facilities were successfully installed in the waste management area. The training and mentoring activities effectively improved the knowledge and awareness of waste management workers regarding the importance of personal hygiene, PPE use, and the application of ergonomic practices. Keywords: Stunting, Waste Management, Personal Hygiene, Personal Protective Equipment, Ergonomic.