| Based on the evolutionary resilience theory, the article takes the 31 prefecture-level cities in the urban agglomeration of the middle reaches of the Yangtze River as the subjects and constructs an ecological resilience evaluation index system for the urban agglomeration of the region. The TOPSIS method was used to measure the ecological resilience of 31 cities over the years. The spatial and temporal evolution trend of ecological resilience was investigated by using kernel density estimation and Dagum-Gini coefficient, and the obstacle factors affecting urban ecological resilience were analyzed by the obstacle degree model. The results show that: 1) From the time dimension, the overall ecological resilience of the Yangtze River middle reaches urban agglomeration shows a "fluctuating but generally rising" development trend.2) In terms of the spatial dimension, the ecological resilience of the Yangtze River middle reaches urban agglomeration exhibits a three-tiered spatial distribution pattern of "low-medium-high" from west to east, and this spatial difference is mainly due to the mutual influence and interaction within and between regions. 3) In terms of obstacle factors, park green area, per capita water resources, per capita green space area, the proportion of environmental protection to fiscal expenditure, and the comprehensive utilization rate of industrial solid waste are the main constraints on the ecological resilience of the area in the middle reaches of the Yangtze River. Therefore, municipal governments should strengthen the development of cross-regional environmental protection mechanisms, implement holistic resource allocation strategies, and adopt targeted measures to address institutional barriers, thereby fostering coordinated regional development and advancing social harmony and progress. |