Based on the life cycle assessment method, the entire life cycle of drip irrigation fertilizer products is considered, from product design, raw material acquisition, product production, process waste recycling and other stages, to in-depth analysis of resource consumption, ecological environment, and human health factors at each stage, and select At different stages, evaluable indicators constitute the evaluation indicator system. In order to reduce the difficulty of life cycle life assessment, based on the characteristics of the drip irrigation fertilizer production process and products, environmental impact categories that have a large impact, high social concern, and are clearly required by national laws or policies are selected, and resource attributes, product attributes and pollutant emissions are selected. Evaluate in other aspects.