The large-scale industrialized production and wide application of seaweed fertilizer is for the deep development and full utilization of abundant seaweed resources, for promoting the production of pollution-free, green and organic food, improving the quality and safety of agricultural products, and promoting the healthy development and pollution-free of the planting industry.The implementation of the Food Action Plan has important and far-reaching significance for increasing agricultural efficiency, increasing farmers’ income, improving and protecting the ecological environment, and enhancing human health.