To measure and evaluate the compatibility between the level of outpatient chronic special disease coverage under the basic health insurance and the level of healthcare resource service utilization in Shanxi Province, so as to provide reference for the coordinated development of the level of outpatient chronic special disease coverage under the basic health insurance and the level of healthcare resource service utilization in Shanxi Province.

Taking 11 cities in Shanxi Province as the study object, the fitness between the two was measured using the entropy weight-TOPSIS method and gray correlation analysis.

From the perspective of utilization level, the numerical intervals of breadth and depth of healthcare resource service utilization in Shanxi Province were 0.161-0.751 and 0.000-1.000, respectively, with a wide span of the intervals; from the perspective of protection level, the numerical intervals of breadth, width, and sustainability of outpatient chronic and special disease protection of the basic healthcare insurance in Shanxi Province were 0.761-0.994, respectively, 0.518-0.938 and 0.445-1.000; Taiyuan City had a comprehensive score of 0.734, which was the city with the highest degree of suitability.

This can be done by consolidating the stability of basic medical and healthcare human resources, enhancing the balance of medical resource allocation, strengthening the synergy between the breadth and depth of healthcare insurance coverage, and reinforcing the linkage between healthcare insurance policies and healthcare resources, so as to improve the level of coverage for outpatient chronic and special illnesses under the basic healthcare insurance scheme in Shanxi Province, as well as the level of utilization of healthcare resources and the degree of appropriateness of the two.