To investigate the clinical benefits of coronary CT angiography in older adults. The results of this trial were 110 patients who underwent CT angiography (selected from 20 March 2016 to 20 March 2017). Use computer group mode. The control group received health care, including 50 patients, and the control group received usual care, including 60 patients. Then, the best and best image quality, time-consuming analysis, and satisfaction were compared between the two groups. The experimental results showed that the best and best image quality (83.00%), examination time (5.72 ± 1.81) minutes, and patient satisfaction (100.00%) of the experimental group were better than those of the control group (P < 0.05). Targeted healthcare for patients undergoing coronary CT angiography can improve the patient's ability to receive a diagnosis with a consistent attitude, reduce work hours, reduce adverse factors, and improve patient satisfaction with care.