BSF maggots are organisms that can decompose waste quickly. The life cycle of black soldier flies is maggots (larvae), prepupae, pupae and adult insects. Sweet potato flour as a prebiotic contains fructo-oligosaccharides (FOS) and Raffinose which can increase immunity, kill pathogenic bacteria, and balance microorganisms in the digestive tract of BSF maggots. This study used a Completely Random…