Abstract: Objective: To investigate the image quality of coronary CT angiography (CCTA) derived from a high-speed wide-detector CT platform implemented with a coronary motion correction algorithm under different heart rate conditions. Methods: A total of 148 patients who underwent CCTA on a wide-detector CT combined with a coronary motion correction algorithm were retrospectively enrolled. The heart rate (HR) of all patients was recorded. Patients were divided into three groups: group A (≤60bpm), group B (61-75bpm), and group C (>75bpm). The CT value and image noise of coronary branches were measured, the CNR and SNR of coronary branches were calculated, and the image quality of patients with different heart rates was compared. Results: No significant differences were observed in subjective image quality nor image noise, vessel CT value, CNR, and SNR among the three groups. Conclusion: The CT platform that incorportated a high-speed wide-detector and a coronary artery motion artifact correction algorithm yielded clinically diagnostic images across varying heart rates. This CT platform attained feasibility in patients with diverse heart rates and possesses broad application value.