The “Organic Apple Snail Farming Manual” provides detailed technical guidance to support farmers in developing sustainable aquaculture systems in Vietnam . It covers pond preparation, emphasizing clean environments, buffer zones, biodiversity conservation, and the avoidance of harmful chemicals. The manual highlights selecting healthy snails, prioritizing natural and non-genetically modified seed sources, and prohibiting the use of synthetic hormones. Feed must be organic, free from growth stimulants, and designed to minimize negative environmental impacts. In addition, the document explains proper care practices, water quality management, and optimal conditions such as temperature, light, and aquatic vegetation for snail growth. The system promotes ecological balance, improves farmers’ income, and ensures safe food production. Overall, it contributes to sustainable agriculture by integrating environmental protection, resource efficiency, and resilient livelihoods in organic aquaculture systems.