Objective To analyze the effect of personalized care in elderly patients with coronary atherosclerotic heart disease combined with type 2 diabetes.Methods A total of 128 elderly patients with CHD combined with type 2 dia-betes admitted to Shouguang People's Hospital of Shandong Province from June 2021 to August 2023 were selected as the study objects,and were divided into reference group(n=64,routine care)and research group(n=64,personalized care)according to random number table method.Blood glucose index,compliance score,nursing satisfaction were compared between the two groups.Results After the elderly patients in the study group received personalized care,the blood glucose index of the patients was improved and significantly better than that of the reference group,and the compliance score and nursing satisfaction were significantly higher than that of the reference group,and the differ-ences were statistically significant(all P<0.05).Conclusion The application of personalized nursing in the elderly pa-tients with coronary heart disease combined with type 2 diabetes has a definite effect.