Abstract: Integrate the "dual evaluation" indicators with the evaluation indicators of resource and environmental carrying capacity, connect their spatial logic, and establish a "single comprehensive" full range and "evaluation monitoring warning" full process resource and environmental carrying capacity evaluation and monitoring warning technology method that couples the results of the "dual evaluation"; Taking the urban agglomeration of central and southern Liaoning as an example, a study on the evaluation, monitoring, and early warning of resource and environmental carrying capacity was carried out. Seven evaluation units with low resource and environmental carrying capacity were designated, 22