Abstract:The Yellow River delta is the only one wetland ecological system in China with the characteristics of the most complete, the most typical and the youngest. Due to its geographical location and rich natural resources, it has attached great concern in the world. On the basis of existing information, field geological survey and remote sensing data analysis, the evaluation index system of wetland resources in the Yellow River delta has been constructed. By using the combination of quantitative and qualitative methods, geological environment quality of wetland in the Yellow River delta can be divided into five grades as excellent, good, general, worse and poor. As showed by the research results, the quality of wetland in 19 counties (cities and districts), 8 belong to good grade and 11 are in general grade. Geological environment resources are generally in the critical state of health and disease. Based on these research achievemnets, countermeasures for prrotecting wetland resources in the Yellow River delta have been put forward.