Diarrhea is the leading cause of under-five deaths in the world, accounting for 18% of total deaths with more than 5,000 cases per day. In Indonesia, the number of under-five deaths due to diarrhea in South Sumatra reached 29,437, with Palembang City as the highest contributor (10,773 cases). The prevalence of diarrhea in toddlers in the Social Health Center working area in 2024 was 60.6%. This…