Under the guidance of China Phosphorus Compound Fertilizer Industry Association, the Seminar on the Development and Utilization of Medium and Low Grade Phosphorus Resources and the 2023 National Calcium Magnesium Phosphate Fertilizer Technology Progress Association Annual Conference was held in Zhengzhou, sponsored by Zhengzhou University School of Chemical Industry, National Calcium Magnesium Phosphorus Compound Fertilizer Technology Research Promotion Center, Zhengzhou University Institute of Phosphate Fertilizer and Compound Fertilizer, Hubei Fubon Technology Co., LTD., Morocco Phosphate Group-Fubon Joint Research and Development Center. The conference mainly discussed the development and utilization of phosphorus resources and technological innovation, the industrial policies and market prospects of calcium, magnesium, phosphate and calcium superphosphate, application cases and the path of sustainable development.